Ответ:
y=(1/2)x-2
k=1/2
b=-2
Объяснение:
(x-x1)/(x2-x1)=(y-y1)/(y2-y1)
(x-2)/(-2-2)=(y-(-1))/(-3-(-1))
(x-2)/(-4)=(y+1)/(-2)
-4+2x=4y+4
4y=2x-8
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Ответ:
y=(1/2)x-2
k=1/2
b=-2
Объяснение:
(x-x1)/(x2-x1)=(y-y1)/(y2-y1)
(x-2)/(-2-2)=(y-(-1))/(-3-(-1))
(x-2)/(-4)=(y+1)/(-2)
-4+2x=4y+4
4y=2x-8
y=(1/2)x-2
k=1/2
b=-2