4) (y-y1 = m(x-x1
(y+2 = 5(x-3
y = 5x-17
5) (y-y1 = m(x-x1
(y+3 = 1/4(x+2
y = 1/4x -5/2
6) (y-6 = -4.25(x+4
y = -4.25x +10