Answer:
Step-by-step explanation:
-12=4x-20
4x=12+20
4x=32
4 = 4
x=8
k = 3.
If they are collinear the slope of AB = the slope of BC, so :-
(0- (-2)) / (2 - 0) = (k - 0) / (5 - 2)
2/2 = k/3
1 = k/3