Question

using the distance formula show that the points A(6,9),B(0,1) and C(-6,-7) are collinear​

Answer 1

Step-by-step explanation:

=1/2[6(1+7)+0(-7-9)+(-6)(9-1)]

=1/2[48-48]

=1/2×0

=0

therefore,A(6,9),B(0,1),C(-6,-7) points are collinear