Question

∆ABC is reflected across the x-axis and translated 2 units up to give the image ∆A'B'C' with coordinates A'(1, 1), B'(2, -1), C'(2, 1). What are the coordinates of the preimage ∆ABC?

Answer 1

I believe the answer is

A. (-1,-1)
B. (0,1)
C. (0,-1)