1. (a) Use a graph paper for this question. (Take 10 small divisions = 1 unit on both axes). P and Q have co-ordinates (0, 5) and (−2, 4). (i) P is invariant when reflected in an axis. Name the axis.   2. (ii) Find the image of Q on reflection in the axis found in (i).   3. (iii) (0, k) on reflection in the origin is invariant. Write the value of k.