Question 56774
Figure The Slope
L1 through (–4, –7) and (1, 3)
m = (3 + 7)/(1 + 4) = 10/5 = 2
L2 through (2, 6) and (4, 10)
m = (10 - 6)/(4 - 2) = 4/2 = 2
The lines are parallel.