•(5,2) parallel to y = -3x - 1
•(4,2) parallel to x = 0
•(1,-5) perpendicular to -x + y = 1
•(4,-3) parallel to y = -2x
•(-2,5) perpendiculuar to -x + y = -2
•(-4,0) parallel to y = (-5/4)x + 4​