Find $y$ if the point $(-6,y)$ is on the line that passes through $(-1,7)$ and $(3,-2)$.
Slope of the line = ( -2 - 7) / (3 - - 1) = -9 / 4
Using (3,-2)....the equation of the line is
y = -(9/4) (x - 3) - 2
When x = - 6
y = (-9/4) ( -6 - 3) - 2 = (-9/4)(-9) - 2 = 81/4 - 8/4 = 73 / 4
