Show that the points `(1,3), (-2,-6), (2,6)` are collinear

Show that the points (4,-2), (2,-4), (7,1) are collinear.

Show that the points (0,3) , (-2,-2) and (2,8) are collinear. Also find the equation of line through these points.

Show that the points (3,4), (-5, 16), (5,1) are collinear.

Show that the points (1,0), (6,0), (0,0) are collinear.

Using distance formula, show that the points (1,5), (2,4) and (3,3) are collinear.

Show that the points (1, 1), (2, 3) and (5, 9) are collinear.

Show that the points (2,3,4),(-1,-2,1),(5,8,7) are collinear.

Show that the points (2,3,4),(-1,-2,1),(5,8,7) are collinear.

Show that the points (1,-1),(5,2) and (9 ,5) are collinear.

Show that the points (1,-1),(5,2) and (9 ,5) are collinear.