Segment AB falls on line 6x + 3 = 9. Segment CD falls on line 4x + 2y = 8. What is true about segments AB and CD?
6x + 3y = 9 ---> 3y = -6x + 9 ---> y = -2x + 3
4x + 2y = 8 ---> 2y = -4x + 8 ---> y = -2x + 4
Each line has a slope of -2.
