Q6. Two points A and B are (0, 7) and (6, 9) respectively.
(a) Find the gradient of the line AB.
(b) The equation if the line AB is x + Py + Q = 0. Find P and Q.
(c) If C (12,2) is the midpoint of BM, find the coordinates of M
(d) Calculate AC
(e) A fourth point D lies on the line AB. The line CD is parallel Find the coordinates of D