Question

determine whether the lines through the given points are parallel perpendicular or neither line a: (2,-1) (5,-7) line b: (-3,2) (-1,-2)

Answer 1

parallel lines

Explanation:

a: m = (-7 - - 1)/(5-2) = -6/3 = -2

b.: m = (2 - - 2)/(-3 - - 1) = 4/-2 = -2