Question

8. Using the concept of slope, show that each of the following set of points are collinear.
(i) (2 , 3), (3 , -1) and (4 , -5)
(ii) (4 , 1), (-2 , -3) and (-5 , -5) (iii) (4 , 4), (-2 , 6) and (1 , 5)

Answer 1

have found for the first one.