Respuesta :

we can use slope , point formula
y-y1=m(x-x1)
m is  a slope=(y2-y1)/(x2-x1)=(-10-(-7))/(2-1)=-3
for example, we take the point (1, -7)
y-(-7)=-3(x-1)
y+7=-3x+3
y=-3x-4

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