Question 328666
Let m = slope

m = 4 - (-2)/-2 - 4

m = 4 + 2/-6

m = 6/-6

m = -1

y - y1 = m(x - x1)

y - (-2) = -1(x - 4)

y + 2 = -x + 4

y = -x - 4 - 2

y = -x - 6

Done!