Question

find the valuof k for which the points are colinear (7,-2),(5,1),(3,k)

Answer 1

Answer:

k = -2

Step-by-step explanation:

(5-7)/(1-(-2))  =  (3-5)/(k-1)

2/3  = -2/(k-1)

2 (k-1)  = -6

2k -2 = -6

2k = -4

k = -2