Question 9(Multiple Choice Worth 2 points) (Rotations MC) Polygon ABCD is drawn with vertices at A(1, 5), B(1, 0), C(−1, −1), D(−4, 2). Determine the image vertices of B′ if the preimage is rotated 180° counterclockwise. B′(0, −1) B′(0, 1) B′(−1, 0) B′(1, 0)