Question

Verify whether the following points are collinear or not.

1) (1,–1), (4, 1), (-2, –3)

(2) (1, -1), (2, 3), (2, 0)

(3) (1, -6), (3,-4),(4, -3)​

Answer 1

Answer:

use y2-y1/x2-x1 formula from taking two points

Answer 2

Put the first value of the bracket in the x and second value in y given in the above formula