Предмет: Алгебра, автор: borisovnazlata

Помогите, срочно. Алгебра 8 класс. Изображение.

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Автор ответа: NNNLLL54

Ответ:

$y=kx+b\\\\tg\beta =\dfrac{2}{4}=\dfrac{1}{2}\ \ \ \Rightarrow \ \ \ k=tg\alpha =-\dfrac{1}{2}\ \ ,\ \ \ b=2\\\\\\\boxed {\ y=-\dfrac{1}{2}\, x+2\ }$

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