Respuesta :

To do this, we should calculate the gradient first
m=y2-y1 overx2-x1
m=-1-2 over 0-4
m=-3 over -4
m=3 over 4

formula of a straight is y-y1=m(x-x1)
y-2=3/4x-3
y=3/4x-1

so the answer is b)