[" () Prove that the points "(5,1),(11,4)" and "],[(7,2)" lie on a straight line."]

Show that the three points ( 4,2),(7,5) and (9,7) lie on a straight line .

Show that the three points (5, 1), (1, -1) and (11, 4) lie on a straight line. Further find the slope of the line.

Show that the three points (5, 1), (1, -1) and (11, 4) lie on a straight line. Further find the length of the portion of the line interceptes between the axes.

Show that the three points (5, 1), (1, -1) and (11, 4) lie on a straight line. Further find its intercepts on the axes

Show that the points (a+5,a-4),(a-1,a+3) and (a,a) do not lie on a straight line for any value of a.

Show that the points (a+5,a-4),(a-2,a+3) and (a,a) do not lie on a straight line of any value of a .

Show that the points (a+5,a+4) , (a-2,a+3) and (a,a) do not lie on a straight line for any value of a.

Show that the points (a+5,a-4),(a-2,a+3) and (a,a) do not lie on a straight line for any value of a

Show that the points (a+5,a-4),(a-2,a+3) and (a,a) do not lie on a straight line of any value of a .