Math Homework HELP!
posted by Kyle on .
Find the value of k so that the line containing the points (k,−8) and (−3,−5) is parallel to the line containing the points (9,7) and (12,5).

(k,8), (3.5).
(9,7), (12,5).
m1 = m2 = (57)/(129) = 2/3.
m1 = (5(8))/(3k) = 2/3
(5+8)/(3k) = 2/3
3/(3k) = 2/3
6+2k = 9
2k = 3
k = 3/2.