A) (x, y) → (−x, −y); A′ is at (5, −1)

B) (x, y) → (−y, x); A′ is at (−1, −5)

C) (x, y) → ( y, −x); A′ is at (1, 5)

D) (x, y) → (x, −y); A′ is at (−5, −1)

A x y x y A is at 5 1 B x y y x A is at 1 5 C x y y x A is at 1 5 D x y x y A is at 5 1 class=