Answer
y=4x+35
Work Step by Step
Two points: (-8,-3) and (-12,-15)
To find the slope, we must compute (y2-y1)/(x2-x1):
(-15-(-3))/(-12-(-8)) = -12/-4 = 3 = m
Now we plug in a point into y=mx+b
y=mx+b
3=4(-8)+b
3=-32+b
35=b
and so our line is y=4x+35
