Question

2 вариант
помогите пожалуйста

Answer 1

5.

(x-1) / (-2-1) = (y+3) / (9+3)

(x-1) / -3 = (y+3) / 12

(x-1) * 12/ -3 = y+3

-4(x-1) = y+3

y = -3 -4(x-1) = -3 -4x +4 = -4x +1

y = -4x +1

Answer 2

это какое?

Answer 3

5.