(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) According to question,

Point (a, b) lies in the second quadrant so a must be a negative number and b must be a positive number

∴ Point (b, a) lies in the fourth quadrant