Question

If T: (x, y) → (x - 7, y + 2), then T -1: (x,y) → _____.

A.( -x/7 , y/2)

B.(-7x, 2y)

C.(x - 7, y - 2)

D.(x + 7, y - 2)

Answer 1

D. (x + 7, y - 2)

Explanation:

To get back the original after translating left 7 and up 2, you must translate right 7 and down 2. The transformation of choice D does that.