Question

The vertices of figure STUV have coordinates S(−2, 2), T(2, 3), U(1, −1), and V(−3, −1). The vertices of figure SꞌTꞌUꞌVꞌ have coordinates Sꞌ(−2, −2), Tꞌ(2, −3), Uꞌ(1, 1), and Vꞌ(−3, 1). Which transformation of figure STUV produced figure SꞌTꞌUꞌVꞌ? A. a reflection across the x-axis B. a reflection across the y-axis C. a rotation 90° clockwise around the origin D. a rotation 90° counterclockwise around the origin
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Answer 1

A. Since a rotation across the x axis usually is (x, -y)