Question 17 • (A. Costello)WCA 5324 Geometry 1st Nine Weeks 26-27
A 90° rotation about the origin maps an original point (x, y) to (−y, x). Since Q' is (−3, 4), reverse the rotation to find Q: (x, y) = (y', −x') = (4, 3). Thus Q is (4, 3), choice D.
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