minta bantuannya trimah kasih

1. (3,6) dan (4,2)
m= Y2- Y1 : X1-X2 = (2-6) : (4-3) = -4 / 1 = -4

2. (4,5) Dan (-3,6)
m= Y2- Y1 : X1-X2 = (6-5) : (-3 - 4) = 1/-9

3. (2,4) Dan (-1,-2)
m= Y2- Y1 : X1-X2 = (-2 - 4) : (-1 - 2) = -6/-3 = 2