Show that the points A = ( 4 , 2) , B ( 7 , 5) and C ( 9 , 7) are collinear.

Show that the points A (4, 2), B (7, 5) and C (9, 7) are three points lie on a same line.

Find the value of k, for which the points ( 7 , 2) , ( 5 , 1) and ( 3 , k) are collinear.

Show that the points A(7 , 3) , B (6 , 1) , C ( 8 , 2) and D ( 9 , 4) taken in that order are vertices of a parallelogram . (AS_(2))

Show that the point (1 , 2 , 3), (7 , 0 1), (- 2, 3, 4) are collinear.

Show that the points A(3,2,-4),B(5,4,-6) andC(9,8,-10) are collinear and find the ratio in which B divides bar(AC) .

Show that the points A(1,2,7),B(2,6,3) and C(3,10,-1) are collinear.