Question

If the image of A after dilation of 3 is A'(12, -6), what is the location of A?

a) (4, -2) b) (36, -18) c) (15, -3) d) (9, -9)

Answer 1

a) A (4 , -2)

Explanation:

A (x,y) dilation with the center of Origin and factor 3 -> (3x,3y)

3x = 12 x=4

3y = -6 y=-2