(i) The mirror image of the point (2,5) in the x-axis is (2,−5).
(ii) The mirror image of the point (3,6) in the y-axis is (−3,6).
(iii) If a point (a,b) lies in quadrant II, then a must be a negative number and b must be a positive number. So, the point (b,a) or (+,−) lie in quadrant IV.