Помогите с алгеброй пожалуйста))). Created by stepanshevchenko04. algebra-ru

Помогите с алгеброй пожалуйста)))...

stepanshevchenko04 @stepanshevchenko04

July 2022 1 9 Report

Помогите с алгеброй пожалуйста)))

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Universalka

Verified answer

1) y = 5x² y = 45x

5x² = 45x

5x² - 45x = 0

5x(x - 9) = 0

x₁ = 0 y₁ = 45 * 0 = 0

x - 9 = 0

x₂ = 9 y₂ = 45 * 9 = 405

Ответ : (0 , 0) ; (9 ; 405)

$2)y=-\frac{1}{3}x^{2}\\y=x-6\\\\-\frac{1}{3}x^{2} =x-6\\\\-\frac{1}{3}x^{2}-x+6=0|*(-3)\\\\x^{2} +3x-18=0\\\\x_{1} =-6\\\\x_{2} =3\\\\y_{1} =-6-6=-12\\\\y_{2}=3-6=-3\\\\Otvet:\boxed{(-6;-12),(3;-3)}$

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stepanshevchenko04 Там еще одно и табличка маленькая, там написано в вопросах

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