show that the points (0,0),(1,1) and (2,2) are collinear.

show that the points (0,-1),(1,0) and (3,2) are collinear.

9.Show that the points (0,-3)(1,-1) and (2,1) are collinear.

show that the points (0,0),(2,2) and (-1,-1) are collinear.

Show that the points (a,0),(0,b) and (3a,-2b) are collinear. Also, find the equation of line containing them.

Prove that the points (-2,5),(0,1) and (2,-3) are collinear.

show that the points (1,1),(-2,7) and (3,-3) are collinear.

Show that the points (1,-1),(5,2) and (9,5) 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 (a,0),(0,b) and (x,y) are collinear if x/a+y/b=1.

If the points (a,b),(1,1)and (2,2) are collinear then