Question

Determine o valor de K para que os pontos A (-2,0), B (1,3) e C (2,k) sejam colineares

Answer 1

a = -2,0
b = 1,3
c = 2,k

3-0/1-(-2) = k-3 / 2-1

3/3  = k-3/1

3k - 9 = 3
3k= 3+9
3k= 12
k= 12/3
k= 4