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Номер 486, страница 144 - гдз по алгебре 9 класс учебник Макарычев, Миндюк
Авторы: Макарычев Ю. Н., Миндюк Н. Г., Нешков К. И., Суворова С. Б.
Тип: Учебник
Издательство: Просвещение
Год издания: 2023 - 2026
Уровень обучения: базовый
Цвет обложки: белый, зелёный, фиолетовый
ISBN: 978-5-09-112135-3
Допущено Министерством просвещения Российской Федерации
Популярные ГДЗ в 9 классе
Глава 4. Уравнения и неравенства с двумя переменными. Параграф 8. Неравенства с двумя переменными и их системы. Дополнительные упражнения к главе 4 - номер 486, страница 144.
App\Models\Task {#1030 // resources/views/models/task/default.blade.php #connection: "mysql" #table: "tasks" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 171668 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_page_start" => "144" "field_page_end" => null "field_url" => "/9-klass/algebra/makarychev-fgos/486" "field_display_title" => "486" "field_outside_task" => null "field_task_type" => Illuminate\Database\Eloquent\Collection {#1037 #items: array:1 [ 0 => App\Models\Term {#1036 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 26 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "номер" "field_cases" => array:6 [ "field_accusative_case" => "номер" "field_creative_case" => "номером" "field_dative_case" => "номеру" "field_genitive_case" => "номера" "field_nominative_case" => "номер" "field_prepositional_case" => "номере" ] "field_short_name" => "№" ] #original: array:6 [ "id" => 26 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "name" => "номер" "field_cases" => array:6 [ "field_accusative_case" => "номер" "field_creative_case" => "номером" "field_dative_case" => "номеру" "field_genitive_case" => "номера" "field_nominative_case" => "номер" "field_prepositional_case" => "номере" ] "field_short_name" => "№" ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_match" => null "breadcrumbs" => [] "edition_groups" => Illuminate\Database\Eloquent\Collection {#1035 #items: [] #escapeWhenCastingToString: false } "top_parent_branch" => Illuminate\Database\Eloquent\Collection {#1080 #items: array:1 [ 0 => App\Models\Branch {#1034 #connection: "mysql" #table: "branches" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 171129 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_display_title" => "Уравнения и неравенства с двумя переменными" "field_branch_order" => "4" "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1039 #items: array:1 [ 0 => App\Models\Term {#1038 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:7 [ …7] #original: array:7 [ …7] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_page_start" => "110" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "field_branch_covers" => [] "book" => Illuminate\Database\Eloquent\Collection {#1040 #items: array:1 [ 0 => App\Models\Book {#1041 #connection: "mysql" #table: "books" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:50 [ …50] #original: array:50 [ …50] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "branch_parent" => Illuminate\Database\Eloquent\Collection {#1077 #items: [] #escapeWhenCastingToString: false } ] #original: array:24 [ "id" => 171129 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_display_title" => "Уравнения и неравенства с двумя переменными" "field_branch_order" => "4" "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1039} "field_page_start" => "110" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "field_branch_covers" => [] "book" => Illuminate\Database\Eloquent\Collection {#1040} "branch_parent" => Illuminate\Database\Eloquent\Collection {#1077} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "parent_branches" => Illuminate\Database\Eloquent\Collection {#1217 #items: array:3 [ 0 => App\Models\Branch {#1078 #connection: "mysql" #table: "branches" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 171129 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_display_title" => "Уравнения и неравенства с двумя переменными" "field_branch_order" => "4" "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1081 #items: array:1 [ 0 => App\Models\Term {#1079 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:7 [ …7] #original: array:7 [ …7] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_page_start" => "110" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "field_branch_covers" => [] "book" => Illuminate\Database\Eloquent\Collection {#1082 #items: array:1 [ 0 => App\Models\Book {#1083 #connection: "mysql" #table: "books" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:50 [ …50] #original: array:50 [ …50] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "branch_parent" => Illuminate\Database\Eloquent\Collection {#1119 #items: [] #escapeWhenCastingToString: false } ] #original: array:24 [ "id" => 171129 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_display_title" => "Уравнения и неравенства с двумя переменными" "field_branch_order" => "4" "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1081} "field_page_start" => "110" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "field_branch_covers" => [] "book" => Illuminate\Database\Eloquent\Collection {#1082} "branch_parent" => Illuminate\Database\Eloquent\Collection {#1119} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 1 => App\Models\Branch {#1120 #connection: "mysql" #table: "branches" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 171136 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_display_title" => "Неравенства с двумя переменными и их системы" "field_branch_order" => "8" "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1121 #items: array:1 [ 0 => App\Models\Term {#1122 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:7 [ …7] #original: array:7 [ …7] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_page_start" => "130" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "field_branch_covers" => [] "book" => Illuminate\Database\Eloquent\Collection {#1123 #items: array:1 [ 0 => App\Models\Book {#1124 #connection: "mysql" #table: "books" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:50 [ …50] #original: array:50 [ …50] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "branch_parent" => Illuminate\Database\Eloquent\Collection {#1160 #items: array:1 [ 0 => App\Models\Branch {#1161 #connection: "mysql" #table: "branches" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ …24] #original: array:24 [ …24] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } ] #original: array:24 [ "id" => 171136 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_display_title" => "Неравенства с двумя переменными и их системы" "field_branch_order" => "8" "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1121} "field_page_start" => "130" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "field_branch_covers" => [] "book" => Illuminate\Database\Eloquent\Collection {#1123} "branch_parent" => Illuminate\Database\Eloquent\Collection {#1160} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 2 => App\Models\Branch {#1166 #connection: "mysql" #table: "branches" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ "id" => 171141 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_display_title" => "Дополнительные упражнения к главе 4" "field_branch_order" => null "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1167 #items: [] #escapeWhenCastingToString: false } "field_page_start" => "144" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "field_branch_covers" => [] "book" => Illuminate\Database\Eloquent\Collection {#1168 #items: array:1 [ 0 => App\Models\Book {#1169 #connection: "mysql" #table: "books" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:50 [ …50] #original: array:50 [ …50] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "branch_parent" => Illuminate\Database\Eloquent\Collection {#1205 #items: array:1 [ 0 => App\Models\Branch {#1206 #connection: "mysql" #table: "branches" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:24 [ …24] #original: array:24 [ …24] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } ] #original: array:24 [ "id" => 171141 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_display_title" => "Дополнительные упражнения к главе 4" "field_branch_order" => null "field_url" => null "field_branch_type" => Illuminate\Database\Eloquent\Collection {#1167} "field_page_start" => "144" "field_branch_display" => "0" "field_branch_expanded" => "0" "field_display_branch_in_title" => "1" "field_display_task_interval" => "0" "field_display_branch_page" => "1" "field_branch_title_in_content" => "0" "field_navigation_title" => null "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => null "field_branch_cover" => [] "field_branch_covers" => [] "book" => Illuminate\Database\Eloquent\Collection {#1168} "branch_parent" => Illuminate\Database\Eloquent\Collection {#1205} ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "content" => Illuminate\Database\Eloquent\Collection {#1234 #items: array:9 [ 0 => App\Models\Element {#1250 #connection: "mysql" #table: "elements" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:7 [ "id" => 178841 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1259 #items: array:1 [ 0 => App\Models\Edition {#1251 #connection: "mysql" #table: "editions" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ …21] #original: array:21 [ …21] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "task" => array:2 [ "refs" => "171668" "type" => "task" ] "text" => "<p> <b>486</b>. При каком значении <i>a</i> окружность <span class="long"><i>(x – a)² + (y – 3)² = 16 </i> </span> проходит через точку: </p> <p> <span class="long">а) <i>A</i>(2; 3); </span> </p> <p> <span class="long">б) <i>B</i>(7; –1); </span> </p> <p> <span class="long">в) <i>C</i>(–2; 7); </span> </p> <p> <span class="long"> г) <i>D</i>(1; 5)?</span> </p>" "img" => array:1 [ 0 => array:5 [ "name" => "486-1.jpg" "alt" => null "width" => "1590" "height" => 238 "path" => "/media/algebra_09/makarychev-2023/0-00/486-1.webp?ts=1734090676" ] ] ] #original: array:7 [ "id" => 178841 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1259} "task" => array:2 [ "refs" => "171668" "type" => "task" ] "text" => "<p> <b>486</b>. При каком значении <i>a</i> окружность <span class="long"><i>(x – a)² + (y – 3)² = 16 </i> </span> проходит через точку: </p> <p> <span class="long">а) <i>A</i>(2; 3); </span> </p> <p> <span class="long">б) <i>B</i>(7; –1); </span> </p> <p> <span class="long">в) <i>C</i>(–2; 7); </span> </p> <p> <span class="long"> г) <i>D</i>(1; 5)?</span> </p>" "img" => array:1 [ 0 => array:5 [ "name" => "486-1.jpg" "alt" => null "width" => "1590" "height" => 238 "path" => "/media/algebra_09/makarychev-2023/0-00/486-1.webp?ts=1734090676" ] ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 1 => App\Models\Element {#1257 #connection: "mysql" #table: "elements" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 179922 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1267 #items: array:1 [ 0 => App\Models\Edition {#1258 #connection: "mysql" #table: "editions" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ …21] #original: array:21 [ …21] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:2 [ 0 => array:5 [ "name" => "486-1.jpg" "alt" => null "width" => "1678" "height" => 2404 "path" => "/media/algebra_09/makarychev-2023/1-00/486-1.webp?ts=1734091737" ] 1 => array:5 [ "name" => "486-2.jpg" "alt" => null "width" => "1678" "height" => 1334 "path" => "/media/algebra_09/makarychev-2023/1-00/486-2.webp?ts=1734091737" ] ] ] #original: array:6 [ "id" => 179922 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1267} "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:2 [ 0 => array:5 [ "name" => "486-1.jpg" "alt" => null "width" => "1678" "height" => 2404 "path" => "/media/algebra_09/makarychev-2023/1-00/486-1.webp?ts=1734091737" ] 1 => array:5 [ "name" => "486-2.jpg" "alt" => null "width" => "1678" "height" => 1334 "path" => "/media/algebra_09/makarychev-2023/1-00/486-2.webp?ts=1734091737" ] ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 2 => App\Models\Element {#1265 #connection: "mysql" #table: "elements" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 180659 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1275 #items: array:1 [ 0 => App\Models\Edition {#1266 #connection: "mysql" #table: "editions" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ …21] #original: array:21 [ …21] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:4 [ 0 => array:5 [ "name" => "486-1.png" "alt" => null "width" => "700" "height" => 1166 "path" => "/media/algebra_09/makarychev-2023/2-00/486-1.webp?ts=1734091513" ] 1 => array:5 [ "name" => "486-2.png" "alt" => null "width" => "700" "height" => 1211 "path" => "/media/algebra_09/makarychev-2023/2-00/486-2.webp?ts=1734091513" ] 2 => array:5 [ "name" => "486-3.png" "alt" => null "width" => "700" "height" => 1211 "path" => "/media/algebra_09/makarychev-2023/2-00/486-3.webp?ts=1734091513" ] 3 => array:5 [ "name" => "486-4.png" "alt" => null "width" => "700" "height" => 1211 "path" => "/media/algebra_09/makarychev-2023/2-00/486-4.webp?ts=1734091513" ] ] ] #original: array:6 [ "id" => 180659 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1275} "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:4 [ 0 => array:5 [ "name" => "486-1.png" "alt" => null "width" => "700" "height" => 1166 "path" => "/media/algebra_09/makarychev-2023/2-00/486-1.webp?ts=1734091513" ] 1 => array:5 [ "name" => "486-2.png" "alt" => null "width" => "700" "height" => 1211 "path" => "/media/algebra_09/makarychev-2023/2-00/486-2.webp?ts=1734091513" ] 2 => array:5 [ "name" => "486-3.png" "alt" => null "width" => "700" "height" => 1211 "path" => "/media/algebra_09/makarychev-2023/2-00/486-3.webp?ts=1734091513" ] 3 => array:5 [ "name" => "486-4.png" "alt" => null "width" => "700" "height" => 1211 "path" => "/media/algebra_09/makarychev-2023/2-00/486-4.webp?ts=1734091513" ] ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 3 => App\Models\Element {#1273 #connection: "mysql" #table: "elements" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 181341 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1283 #items: array:1 [ 0 => App\Models\Edition {#1274 #connection: "mysql" #table: "editions" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ …21] #original: array:21 [ …21] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:1 [ 0 => array:5 [ "name" => "486-1.png" "alt" => null "width" => "650" "height" => 1388 "path" => "/media/algebra_09/makarychev-2023/3-00/486-1.webp?ts=1734091619" ] ] ] #original: array:6 [ "id" => 181341 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1283} "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:1 [ 0 => array:5 [ "name" => "486-1.png" "alt" => null "width" => "650" "height" => 1388 "path" => "/media/algebra_09/makarychev-2023/3-00/486-1.webp?ts=1734091619" ] ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 4 => App\Models\Element {#1281 #connection: "mysql" #table: "elements" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 182012 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1291 #items: array:1 [ 0 => App\Models\Edition {#1282 #connection: "mysql" #table: "editions" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ …21] #original: array:21 [ …21] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:1 [ 0 => array:5 [ "name" => "486-1.png" "alt" => null "width" => "547" "height" => 2078 "path" => "/media/algebra_09/makarychev-2023/4-00/486-1.webp?ts=1734091781" ] ] ] #original: array:6 [ "id" => 182012 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1291} "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:1 [ 0 => array:5 [ "name" => "486-1.png" "alt" => null "width" => "547" "height" => 2078 "path" => "/media/algebra_09/makarychev-2023/4-00/486-1.webp?ts=1734091781" ] ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 5 => App\Models\Element {#1289 #connection: "mysql" #table: "elements" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 182778 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1299 #items: array:1 [ 0 => App\Models\Edition {#1290 #connection: "mysql" #table: "editions" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ …21] #original: array:21 [ …21] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:1 [ 0 => array:5 [ "name" => "486-1.png" "alt" => null "width" => "869" "height" => 273 "path" => "/media/algebra_09/makarychev-2023/5-00/486-1.webp?ts=1734092682" ] ] ] #original: array:6 [ "id" => 182778 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1299} "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:1 [ 0 => array:5 [ "name" => "486-1.png" "alt" => null "width" => "869" "height" => 273 "path" => "/media/algebra_09/makarychev-2023/5-00/486-1.webp?ts=1734092682" ] ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 6 => App\Models\Element {#1297 #connection: "mysql" #table: "elements" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 183449 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1308 #items: array:1 [ 0 => App\Models\Edition {#1307 #connection: "mysql" #table: "editions" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ …21] #original: array:21 [ …21] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:1 [ 0 => array:5 [ "name" => "486-1.png" "alt" => null "width" => "1347" "height" => 324 "path" => "/media/algebra_09/makarychev-2023/6-00/486-1.webp?ts=1734092851" ] ] ] #original: array:6 [ "id" => 183449 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1308} "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:1 [ 0 => array:5 [ "name" => "486-1.png" "alt" => null "width" => "1347" "height" => 324 "path" => "/media/algebra_09/makarychev-2023/6-00/486-1.webp?ts=1734092851" ] ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 7 => App\Models\Element {#1300 #connection: "mysql" #table: "elements" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 183928 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1313 #items: array:1 [ 0 => App\Models\Edition {#1301 #connection: "mysql" #table: "editions" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ …21] #original: array:21 [ …21] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:1 [ 0 => array:5 [ "name" => "486-1.jpg" "alt" => null "width" => "1499" "height" => 585 "path" => "/media/algebra_09/makarychev-2023/7-00/486-1.webp?ts=1734093297" ] ] ] #original: array:6 [ "id" => 183928 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1313} "task" => array:2 [ "refs" => "171668" "type" => "task" ] "img" => array:1 [ 0 => array:5 [ "name" => "486-1.jpg" "alt" => null "width" => "1499" "height" => 585 "path" => "/media/algebra_09/makarychev-2023/7-00/486-1.webp?ts=1734093297" ] ] ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } 8 => App\Models\Element {#1310 #connection: "mysql" #table: "elements" #primaryKey: "id" #keyType: "int" +incrementing: true #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ "id" => 1349115 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1326 #items: array:1 [ 0 => App\Models\Edition {#1314 #connection: "mysql" #table: "editions" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:21 [ …21] #original: array:21 [ …21] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "task" => array:2 [ "refs" => "171668" "type" => "task" ] "text" => "<p>Для того чтобы окружность проходила через определенную точку, координаты этой точки должны удовлетворять уравнению окружности. Мы будем подставлять координаты каждой точки в уравнение $(x-a)^2 + (y-3)^2 = 16$ и решать полученное уравнение относительно переменной $a$.</p><p><strong>а) A(2; 3)</strong></p><p>Подставим координаты точки $A(2; 3)$ в уравнение окружности, где $x=2$ и $y=3$:</p><p>$(2 - a)^2 + (3 - 3)^2 = 16$</p><p>$(2 - a)^2 + 0^2 = 16$</p><p>$(2 - a)^2 = 16$</p><p>Извлечем квадратный корень из обеих частей уравнения:</p><p>$2 - a = 4$ или $2 - a = -4$</p><p>Решим каждое уравнение:</p><p>1) $2 - a = 4 \implies a = 2 - 4 \implies a = -2$</p><p>2) $2 - a = -4 \implies a = 2 - (-4) \implies a = 2 + 4 \implies a = 6$</p><p>Ответ: $a = -2$ или $a = 6$.</p><p><strong>б) B(7; –1)</strong></p><p>Подставим координаты точки $B(7; -1)$ в уравнение окружности, где $x=7$ и $y=-1$:</p><p>$(7 - a)^2 + (-1 - 3)^2 = 16$</p><p>$(7 - a)^2 + (-4)^2 = 16$</p><p>$(7 - a)^2 + 16 = 16$</p><p>$(7 - a)^2 = 16 - 16$</p><p>$(7 - a)^2 = 0$</p><p>Извлечем квадратный корень:</p><p>$7 - a = 0$</p><p>$a = 7$</p><p>Ответ: $a = 7$.</p><p><strong>в) C(–2; 7)</strong></p><p>Подставим координаты точки $C(-2; 7)$ в уравнение окружности, где $x=-2$ и $y=7$:</p><p>$(-2 - a)^2 + (7 - 3)^2 = 16$</p><p>$(-2 - a)^2 + 4^2 = 16$</p><p>$(-2 - a)^2 + 16 = 16$</p><p>$(-2 - a)^2 = 0$</p><p>Извлечем квадратный корень:</p><p>$-2 - a = 0$</p><p>$a = -2$</p><p>Ответ: $a = -2$.</p><p><strong>г) D(1; 5)</strong></p><p>Подставим координаты точки $D(1; 5)$ в уравнение окружности, где $x=1$ и $y=5$:</p><p>$(1 - a)^2 + (5 - 3)^2 = 16$</p><p>$(1 - a)^2 + 2^2 = 16$</p><p>$(1 - a)^2 + 4 = 16$</p><p>$(1 - a)^2 = 12$</p><p>Извлечем квадратный корень из обеих частей уравнения:</p><p>$1 - a = \sqrt{12}$ или $1 - a = -\sqrt{12}$</p><p>Упростим корень: $\sqrt{12} = \sqrt{4 \cdot 3} = 2\sqrt{3}$.</p><p>Решим каждое уравнение:</p><p>1) $1 - a = 2\sqrt{3} \implies a = 1 - 2\sqrt{3}$</p><p>2) $1 - a = -2\sqrt{3} \implies a = 1 + 2\sqrt{3}$</p><p>Ответ: $a = 1 - 2\sqrt{3}$ или $a = 1 + 2\sqrt{3}$.</p>" ] #original: array:6 [ "id" => 1349115 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "edition" => Illuminate\Database\Eloquent\Collection {#1326} "task" => array:2 [ "refs" => "171668" "type" => "task" ] "text" => "<p>Для того чтобы окружность проходила через определенную точку, координаты этой точки должны удовлетворять уравнению окружности. Мы будем подставлять координаты каждой точки в уравнение $(x-a)^2 + (y-3)^2 = 16$ и решать полученное уравнение относительно переменной $a$.</p><p><strong>а) A(2; 3)</strong></p><p>Подставим координаты точки $A(2; 3)$ в уравнение окружности, где $x=2$ и $y=3$:</p><p>$(2 - a)^2 + (3 - 3)^2 = 16$</p><p>$(2 - a)^2 + 0^2 = 16$</p><p>$(2 - a)^2 = 16$</p><p>Извлечем квадратный корень из обеих частей уравнения:</p><p>$2 - a = 4$ или $2 - a = -4$</p><p>Решим каждое уравнение:</p><p>1) $2 - a = 4 \implies a = 2 - 4 \implies a = -2$</p><p>2) $2 - a = -4 \implies a = 2 - (-4) \implies a = 2 + 4 \implies a = 6$</p><p>Ответ: $a = -2$ или $a = 6$.</p><p><strong>б) B(7; –1)</strong></p><p>Подставим координаты точки $B(7; -1)$ в уравнение окружности, где $x=7$ и $y=-1$:</p><p>$(7 - a)^2 + (-1 - 3)^2 = 16$</p><p>$(7 - a)^2 + (-4)^2 = 16$</p><p>$(7 - a)^2 + 16 = 16$</p><p>$(7 - a)^2 = 16 - 16$</p><p>$(7 - a)^2 = 0$</p><p>Извлечем квадратный корень:</p><p>$7 - a = 0$</p><p>$a = 7$</p><p>Ответ: $a = 7$.</p><p><strong>в) C(–2; 7)</strong></p><p>Подставим координаты точки $C(-2; 7)$ в уравнение окружности, где $x=-2$ и $y=7$:</p><p>$(-2 - a)^2 + (7 - 3)^2 = 16$</p><p>$(-2 - a)^2 + 4^2 = 16$</p><p>$(-2 - a)^2 + 16 = 16$</p><p>$(-2 - a)^2 = 0$</p><p>Извлечем квадратный корень:</p><p>$-2 - a = 0$</p><p>$a = -2$</p><p>Ответ: $a = -2$.</p><p><strong>г) D(1; 5)</strong></p><p>Подставим координаты точки $D(1; 5)$ в уравнение окружности, где $x=1$ и $y=5$:</p><p>$(1 - a)^2 + (5 - 3)^2 = 16$</p><p>$(1 - a)^2 + 2^2 = 16$</p><p>$(1 - a)^2 + 4 = 16$</p><p>$(1 - a)^2 = 12$</p><p>Извлечем квадратный корень из обеих частей уравнения:</p><p>$1 - a = \sqrt{12}$ или $1 - a = -\sqrt{12}$</p><p>Упростим корень: $\sqrt{12} = \sqrt{4 \cdot 3} = 2\sqrt{3}$.</p><p>Решим каждое уравнение:</p><p>1) $1 - a = 2\sqrt{3} \implies a = 1 - 2\sqrt{3}$</p><p>2) $1 - a = -2\sqrt{3} \implies a = 1 + 2\sqrt{3}$</p><p>Ответ: $a = 1 - 2\sqrt{3}$ или $a = 1 + 2\sqrt{3}$.</p>" ] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ 0 => "*" ] } ] #escapeWhenCastingToString: false } "next" => array:2 [ "refs" => "171669" "type" => "task" ] "previous" => array:2 [ "refs" => "171667" "type" => "task" ] "book" => Illuminate\Database\Eloquent\Collection {#1332 #items: array:1 [ 0 => App\Models\Book {#1248 #connection: "mysql" #table: "books" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:50 [ "id" => 10 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_tree_default_status" => "tasks" "field_pages_status" => null "field_subject" => Illuminate\Database\Eloquent\Collection {#1226 #items: array:1 [ 0 => App\Models\Term {#1225 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:10 [ …10] #original: array:10 [ …10] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_class" => Illuminate\Database\Eloquent\Collection {#1227 #items: array:1 [ 0 => App\Models\Term {#1232 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_publisher" => Illuminate\Database\Eloquent\Collection {#1231 #items: array:1 [ 0 => App\Models\Term {#1230 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_author" => Illuminate\Database\Eloquent\Collection {#1228 #items: array:4 [ 0 => App\Models\Term {#1229 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:12 [ …12] #original: array:12 [ …12] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } 1 => App\Models\Term {#1218 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:12 [ …12] #original: array:12 [ …12] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } 2 => App\Models\Term {#1219 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:12 [ …12] #original: array:12 [ …12] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } 3 => App\Models\Term {#1216 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:12 [ …12] #original: array:12 [ …12] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1224 #items: [] #escapeWhenCastingToString: false } "field_book_type" => Illuminate\Database\Eloquent\Collection {#1223 #items: array:1 [ 0 => App\Models\Term {#1222 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:10 [ …10] #original: array:10 [ …10] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_country" => Illuminate\Database\Eloquent\Collection {#1220 #items: array:1 [ 0 => App\Models\Term {#1221 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_city" => Illuminate\Database\Eloquent\Collection {#1235 #items: array:1 [ 0 => App\Models\Term {#1233 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_series" => Illuminate\Database\Eloquent\Collection {#1247 #items: [] #escapeWhenCastingToString: false } "field_umk" => Illuminate\Database\Eloquent\Collection {#1246 #items: [] #escapeWhenCastingToString: false } "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1245 #items: array:1 [ 0 => App\Models\Term {#1244 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1243 #items: array:1 [ 0 => App\Models\Term {#1241 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:10 [ …10] #original: array:10 [ …10] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_publication_number" => "16" "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1240 #items: array:1 [ 0 => App\Models\Term {#1242 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1238 #items: array:1 [ 0 => App\Models\Term {#1236 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:12 [ …12] #original: array:12 [ …12] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_under_the_edition_degree" => null "field_cover_description" => null "field_publication_year" => "2023" "field_publication_year_until" => null "field_part" => "" "field_part_writing" => "" "field_second_foreign_language" => null "field_for_whom" => null "field_allowed" => "Допущено Министерством просвещения Российской Федерации" "field_reserve_field" => null "field_link_to_source" => null "field_tasks_count" => "934" "field_priority" => "2" "field_default_folder" => "/algebra_09/makarychev-2023/" "field_isbn" => "978-5-09-112135-3" "field_cover" => array:1 [ 0 => "/media/algebra_09/makarychev-2023/covers/cover1.webp?ts=1734038732" ] "field_cover_alts" => array:1 [ 0 => "" ] "field_covers" => array:1 [ 0 => array:4 [ "path" => "/media/algebra_09/makarychev-2023/covers/cover1.webp?ts=1734038732" "alt" => "" "width" => "680" "height" => "1065" ] ] "field_popular_book" => null "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1239 #items: [] #escapeWhenCastingToString: false } "field_new_book" => Illuminate\Database\Eloquent\Collection {#1237 #items: [] #escapeWhenCastingToString: false } "field_old_book" => Illuminate\Database\Eloquent\Collection {#1324 #items: [] #escapeWhenCastingToString: false } "field_url" => "/9-klass/algebra/makarychev-fgos" "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1325 #items: array:3 [ 0 => App\Models\Term {#1327 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } 1 => App\Models\Term {#1328 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } 2 => App\Models\Term {#1329 #connection: "mysql" #table: "terms" #primaryKey: "id" #keyType: "int" +incrementing: false #with: [] #withCount: [] +preventsLazyLoading: false #perPage: 15 +exists: true +wasRecentlyCreated: false #escapeWhenCastingToString: false #attributes: array:6 [ …6] #original: array:6 [ …6] #changes: [] #casts: [] #classCastCache: [] #attributeCastCache: [] #dateFormat: null #appends: [] #dispatchesEvents: [] #observables: [] #relations: [] #touches: [] +timestamps: true +usesUniqueIds: false #hidden: [] #visible: [] #fillable: [] #guarded: array:1 [ …1] } ] #escapeWhenCastingToString: false } "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => "<!--Текст в низу страницы--> <h2> Учебный процесс с решебником Ключниковой </h2> <p> Изучение алгебры всегда связано с различными недопониманиями. Довольно часто у ребят не хватает времени, чтобы детально проработать каждый параграф. Теорию они проходят в спешке, так как основное внимание сосредоточено в основном на практических заданиях, которые учителя задают на дом в больших количествах. ГДЗ «<strong>Алгебра Учебник Макарычев, Миндюк, Нешков 9 класс (Просвещение, 2023г.)</strong>» позволит школьникам сбалансировать учебный процесс, не упуская ни одной мелочи. </p> <p> Многие ученики испытывают проблемы с пониманием таких аспектов: </p> <ol> <li>Действия над действительными числами.</li> <li>Погрешность и точность приближения?</li> <li>Свойства чётности и нечётности функций.</li> <li>Целое уравнение и его корни.</li> <li>Решение неравенств методом интервалов.</li> <li>Уравнение с двумя переменными и его график.</li> </ol> <p> Современные учебники часто снабжены недостаточно развернутой теорией, что мешает учащимся еще раз пробежаться по материалу, если они пропустили урок или не поняли объяснения преподавателя. Поэтому иногда подростки приступают к решению задач так до конца и не разобравшись в параграфах. Неудивительно, что потом в их работах обнаруживается много ошибок. Благодаря решебнику можно избежать любых недочетов при выполнении номеров. </p> <h2> Почему работать с решебником нужно правильно? </h2> <p> Школьники всегда делятся на две категории. Первые, даже с большим скрипом, но находят решения и ответы самостоятельно, а вот вторые постоянно списывают домашние задания и ничего толком в дисциплине не понимают. Но используя <strong>решебник по алгебре за 9 класс к учебнику Макарычева Ю.Н., Миндюка Н.Г., Нешкова К.И. (Просвещение)</strong> все ребята получают возможность полноценно разобраться в программе этого курса. </p> <p> Неправильное взаимодействие с пособием может привести к следующим последствиям: </p> <ol> <li>материал не будет освоен полностью;</li> <li>постоянные ошибки приведут к снижению успеваемости;</li> <li>отсутствие понимания даже элементарных уравнений;</li> <li>проваленные экзамены.</li> </ol> <p> Соблазн просто списать нужное упражнение несомненно очень велик. Но не стоит забывать о том, что тогда не удастся полностью понять суть изучаемой темы, а это непременно аукнется довольно быстро плохими оценками. Поэтому всегда стоит применять решебник строго по назначению - для самопроверки и работы над ошибками. </p> <h2> Хорошая подготовка д/з с ГДЗ к учебнику Макарычева </h2> <p> Любой учебный процесс - дело непредсказуемое. Даже отличники не застрахованы от получения двоек. Поэтому школьникам не только стоит быть предельно внимательными, но и систематически проверять себя по <strong>готовым решениям к учебнику Макарычева за 9 класс</strong>, написанными в соответствии с ФГОС. Сделать это очень просто, так как пособие находится в онлайн-доступе, и открыть его можно с любого гаджета, подключенного к Интернету. Тренировки со справочником не отнимают много времени, так как авторы снабдили его подробными решениями, верными ответами и многочисленными наглядными примерами, которые легко понять и запомнить. </p> <p> Онлайн-издание пригодится учащимся для многого: </p> <ul> <li>сверки д/з;</li> <li>подготовки к тестированиям;</li> <li>разбора проблематичных параграфов;</li> <li>проработки различных упущений, и т.д.</li> </ul> <p> Некоторые учителя сами советуют своим подопечным использовать решебник, так как прекрасно понимают, что иначе дети просто не справятся с программой. Конечно, есть и еще один вариант - занятия с репетитором. Но в наше время сложно найти преподавателя, который бы смог не только найти общий язык с учеником, но и доступно излагал материал. Кроме того, дополнительные уроки тоже отнимают уйму времени, а именно его у подростков и так мало. Поэтому ГДЗ - лучший вариант быстро освоить предмет и получить качественные навыки. </p>" "breadcrumbs" => array:3 [ "class" => 380 "subject" => 542 "class_subject" => 386 ] ] #original: array:50 [ "id" => 10 "created_at" => "2026-04-10 13:58:26" "updated_at" => null "field_tree_default_status" => "tasks" "field_pages_status" => null "field_subject" => Illuminate\Database\Eloquent\Collection {#1226} "field_class" => Illuminate\Database\Eloquent\Collection {#1227} "field_publisher" => Illuminate\Database\Eloquent\Collection {#1231} "field_author" => Illuminate\Database\Eloquent\Collection {#1228} "field_author_foreign" => Illuminate\Database\Eloquent\Collection {#1224} "field_book_type" => Illuminate\Database\Eloquent\Collection {#1223} "field_country" => Illuminate\Database\Eloquent\Collection {#1220} "field_city" => Illuminate\Database\Eloquent\Collection {#1235} "field_series" => Illuminate\Database\Eloquent\Collection {#1247} "field_umk" => Illuminate\Database\Eloquent\Collection {#1246} "field_level_of_education" => Illuminate\Database\Eloquent\Collection {#1245} "field_standart_of_education" => Illuminate\Database\Eloquent\Collection {#1243} "field_publication_number" => "16" "field_publication_type" => Illuminate\Database\Eloquent\Collection {#1240} "field_under_the_edition" => Illuminate\Database\Eloquent\Collection {#1238} "field_under_the_edition_degree" => null "field_cover_description" => null "field_publication_year" => "2023" "field_publication_year_until" => null "field_part" => "" "field_part_writing" => "" "field_second_foreign_language" => null "field_for_whom" => null "field_allowed" => "Допущено Министерством просвещения Российской Федерации" "field_reserve_field" => null "field_link_to_source" => null "field_tasks_count" => "934" "field_priority" => "2" "field_default_folder" => "/algebra_09/makarychev-2023/" "field_isbn" => "978-5-09-112135-3" "field_cover" => array:1 [ 0 => "/media/algebra_09/makarychev-2023/covers/cover1.webp?ts=1734038732" ] "field_cover_alts" => array:1 [ 0 => "" ] "field_covers" => array:1 [ 0 => array:4 [ "path" => "/media/algebra_09/makarychev-2023/covers/cover1.webp?ts=1734038732" "alt" => "" "width" => "680" "height" => "1065" ] ] "field_popular_book" => null "field_recommended_books" => Illuminate\Database\Eloquent\Collection {#1239} "field_new_book" => Illuminate\Database\Eloquent\Collection {#1237} "field_old_book" => Illuminate\Database\Eloquent\Collection {#1324} "field_url" => "/9-klass/algebra/makarychev-fgos" "field_cover_color" => Illuminate\Database\Eloquent\Collection {#1325} "field_metatags_title" => null "field_metatags_description" => null "field_h1" => null "field_description_top" => null "field_description_bottom" => "<!--Текст в низу страницы--> <h2> Учебный процесс с решебником Ключниковой </h2> <p> Изучение алгебры всегда связано с различными недопониманиями. Довольно часто у ребят не хватает времени, чтобы детально проработать каждый параграф. Теорию они проходят в спешке, так как основное внимание сосредоточено в основном на практических заданиях, которые учителя задают на дом в больших количествах. ГДЗ «<strong>Алгебра Учебник Макарычев, Миндюк, Нешков 9 класс (Просвещение, 2023г.)</strong>» позволит школьникам сбалансировать учебный процесс, не упуская ни одной мелочи. </p> <p> Многие ученики испытывают проблемы с пониманием таких аспектов: </p> <ol> <li>Действия над действительными числами.</li> <li>Погрешность и точность приближения?</li> <li>Свойства чётности и нечётности функций.</li> <li>Целое уравнение и его корни.</li> <li>Решение неравенств методом интервалов.</li> <li>Уравнение с двумя переменными и его график.</li> </ol> <p> Современные учебники часто снабжены недостаточно развернутой теорией, что мешает учащимся еще раз пробежаться по материалу, если они пропустили урок или не поняли объяснения преподавателя. Поэтому иногда подростки приступают к решению задач так до конца и не разобравшись в параграфах. Неудивительно, что потом в их работах обнаруживается много ошибок. Благодаря решебнику можно избежать любых недочетов при выполнении номеров. </p> <h2> Почему работать с решебником нужно правильно? </h2> <p> Школьники всегда делятся на две категории. Первые, даже с большим скрипом, но находят решения и ответы самостоятельно, а вот вторые постоянно списывают домашние задания и ничего толком в дисциплине не понимают. Но используя <strong>решебник по алгебре за 9 класс к учебнику Макарычева Ю.Н., Миндюка Н.Г., Нешкова К.И. (Просвещение)</strong> все ребята получают возможность полноценно разобраться в программе этого курса. </p> <p> Неправильное взаимодействие с пособием может привести к следующим последствиям: </p> <ol> <li>материал не будет освоен полностью;</li> <li>постоянные ошибки приведут к снижению успеваемости;</li> <li>отсутствие понимания даже элементарных уравнений;</li> <li>проваленные экзамены.</li> </ol> <p> Соблазн просто списать нужное упражнение несомненно очень велик. Но не стоит забывать о том, что тогда не удастся полностью понять суть изучаемой темы, а это непременно аукнется довольно быстро плохими оценками. Поэтому всегда стоит применять решебник строго по назначению - для самопроверки и работы над ошибками. </p> <h2> Хорошая подготовка д/з с ГДЗ к учебнику Макарычева </h2> <p> Любой учебный процесс - дело непредсказуемое. Даже отличники не застрахованы от получения двоек. Поэтому школьникам не только стоит быть предельно внимательными, но и систематически проверять себя по <strong>готовым решениям к учебнику Макарычева за 9 класс</strong>, написанными в соответствии с ФГОС. Сделать это очень просто, так как пособие находится в онлайн-доступе, и открыть его можно с любого гаджета, подключенного к Интернету. Тренировки со справочником не отнимают много времени, так как авторы снабдили его подробными решениями, верными ответами и многочисленными наглядными примерами, которые легко понять и запомнить. </p> <p> Онлайн-издание пригодится учащимся для многого: </p> <ul> <li>сверки д/з;</li> <li>подготовки к тестированиям;</li> <li>разбора проблематичных параграфов;</li> <li>проработки различных упущений, и т.д.</li> </ul> <p> Некоторые учителя сами советуют своим подопечным использовать решебник, так как прекрасно понимают, что иначе дети просто не справятся с программой. Конечно, есть и еще один вариант - занятия с репетитором. Но в наше время сложно найти преподавателя, который бы смог не только найти общий язык с учеником, но и доступно излагал материал. Кроме того, дополнительные уроки тоже отнимают уйму времени, а именно его у подростков и так мало. 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№486 (с. 144)
Условие. №486 (с. 144)
скриншот условия
486. При каком значении a окружность (x – a)² + (y – 3)² = 16 проходит через точку:
а) A(2; 3);
б) B(7; –1);
в) C(–2; 7);
г) D(1; 5)?
Решение 1. №486 (с. 144)
Решение 2. №486 (с. 144)
Решение 3. №486 (с. 144)
Решение 4. №486 (с. 144)
Решение 5. №486 (с. 144)
Решение 6. №486 (с. 144)
Решение 7. №486 (с. 144)
Решение 8. №486 (с. 144)
Для того чтобы окружность проходила через определенную точку, координаты этой точки должны удовлетворять уравнению окружности. Мы будем подставлять координаты каждой точки в уравнение $(x-a)^2 + (y-3)^2 = 16$ и решать полученное уравнение относительно переменной $a$.
а) A(2; 3)
Подставим координаты точки $A(2; 3)$ в уравнение окружности, где $x=2$ и $y=3$:
$(2 - a)^2 + (3 - 3)^2 = 16$
$(2 - a)^2 + 0^2 = 16$
$(2 - a)^2 = 16$
Извлечем квадратный корень из обеих частей уравнения:
$2 - a = 4$ или $2 - a = -4$
Решим каждое уравнение:
1) $2 - a = 4 \implies a = 2 - 4 \implies a = -2$
2) $2 - a = -4 \implies a = 2 - (-4) \implies a = 2 + 4 \implies a = 6$
Ответ: $a = -2$ или $a = 6$.
б) B(7; –1)
Подставим координаты точки $B(7; -1)$ в уравнение окружности, где $x=7$ и $y=-1$:
$(7 - a)^2 + (-1 - 3)^2 = 16$
$(7 - a)^2 + (-4)^2 = 16$
$(7 - a)^2 + 16 = 16$
$(7 - a)^2 = 16 - 16$
$(7 - a)^2 = 0$
Извлечем квадратный корень:
$7 - a = 0$
$a = 7$
Ответ: $a = 7$.
в) C(–2; 7)
Подставим координаты точки $C(-2; 7)$ в уравнение окружности, где $x=-2$ и $y=7$:
$(-2 - a)^2 + (7 - 3)^2 = 16$
$(-2 - a)^2 + 4^2 = 16$
$(-2 - a)^2 + 16 = 16$
$(-2 - a)^2 = 0$
Извлечем квадратный корень:
$-2 - a = 0$
$a = -2$
Ответ: $a = -2$.
г) D(1; 5)
Подставим координаты точки $D(1; 5)$ в уравнение окружности, где $x=1$ и $y=5$:
$(1 - a)^2 + (5 - 3)^2 = 16$
$(1 - a)^2 + 2^2 = 16$
$(1 - a)^2 + 4 = 16$
$(1 - a)^2 = 12$
Извлечем квадратный корень из обеих частей уравнения:
$1 - a = \sqrt{12}$ или $1 - a = -\sqrt{12}$
Упростим корень: $\sqrt{12} = \sqrt{4 \cdot 3} = 2\sqrt{3}$.
Решим каждое уравнение:
1) $1 - a = 2\sqrt{3} \implies a = 1 - 2\sqrt{3}$
2) $1 - a = -2\sqrt{3} \implies a = 1 + 2\sqrt{3}$
Ответ: $a = 1 - 2\sqrt{3}$ или $a = 1 + 2\sqrt{3}$.
Другие задания:
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ПрисоединитьсяМы подготовили для вас ответ c подробным объяснением домашего задания по алгебре за 9 класс, для упражнения номер 486 расположенного на странице 144 к учебнику 2023 года издания для учащихся школ и гимназий.
Теперь на нашем сайте ГДЗ.ТОП вы всегда легко и бесплатно найдёте условие с правильным ответом на вопрос «Как решить ДЗ» и «Как сделать» задание по алгебре к упражнению №486 (с. 144), авторов: Макарычев (Юрий Николаевич), Миндюк (Нора Григорьевна), Нешков (Константин Иванович), Суворова (Светлана Борисовна), ФГОС (новый, красный) базовый уровень обучения учебного пособия издательства Просвещение.