Помогитееее!!!!1!!!!!!!!!. Created by Ростислав1999. algebra-ru

4)x² -6x+8 ≥0 (x-8)²Разложим x²-6x+8 на множители:x²-6x+8=0D=36-32=4x₁=6-2=2 2x₂=6+2=4 2x²-6x+8=(x-2)(x-4)(x-2)(x-4) ≥0 (x-8)²{x≠8{(x-2)(x-4)(x-8)² ≥0(x-2)(x-4)(x-8)² ≥0x=2 x=4 x=8 + - + +---------- 2 ------------ 4 ----------- 8 ---------------\\\\\\\\ \\\\\\\\\\\ \\\\\\\\\\\\\\\x∈(-∞; 2]U[4; 8) U (8; +∞) Реклама Реклама Новые вопросы в Алгебра пожалуйста помогите Номер 8 (а) помогите пожалуйста Отметьте и подпишите на координатной прямой точки Будьласкаааа допоможіть даю багато алмазов Никита купил х тетрадей по 11 рублей и 2 альбома по у рублей. За альбомы Никита заплатил меньше, чем за тетради.. На сколько рублей больше мальчик зап … латил за тетради, чем за альбомы. Определи значение y, соответствующее значению x=0 для линейного уравнения 8x+3y−12=0. Ответ: y= . Зобразіть на координатній прямій проміжок:1) (-2;1); 2) [-2;1]; 3) [2;1); 4) (-2;1] даю 25 баллов!! (на русс. Изобразите на координатной прямой промеж … уток) Решите пожалуйста такое уравнение (1/x+1+1/x-1+1/x+2+1/x-2-2x/x²)*1/x+1/x²) Тест, по алгебре 7 класс! При каких значениях параметров а и b уравнение(2а-b+1)x+2а+b-3-0 имеет не менее двух различниых решений?СРОЧНО ДАЮ 30 БАЛЛОВ!!! Предыдущий Следующий Вместе мы знаем больше Этот сайт использует cookies Политика Cookies . Вы можете указать условия хранения и доступ к cookies в своем браузере. 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Помогитееее!!!!1!!!!!!!!!...

Ростислав1999 @Ростислав1999

November 2021 1 12 Report

Помогитееее!!!!1!!!!!!!!!

Answers & Comments

m11m

Verified answer

4)
x² -6x+8 ≥0
(x-8)²

Разложим x²-6x+8 на множители:
x²-6x+8=0
D=36-32=4
x₁=6-2=2
2
x₂=6+2=4
2
x²-6x+8=(x-2)(x-4)

(x-2)(x-4) ≥0
(x-8)²
{x≠8
{(x-2)(x-4)(x-8)² ≥0

(x-2)(x-4)(x-8)² ≥0
x=2 x=4 x=8
+ - + +
---------- 2 ------------ 4 ----------- 8 ---------------
\\\\\\\\ \\\\\\\\\\\ \\\\\\\\\\\\\\\
x∈(-∞; 2]U[4; 8) U (8; +∞)