Quadrilateral QRST is shown below in the standard (x,y) coordinate plane. For this quadrilateral, QT = 5, RS = √34, ST = 3, and RQ = 6, all in coordinate units.

Which of the following are the coordinates of the image of R under a 90° counterclockwise rotation about the origin?
A. (5,−1)
B. (1,5)
C. (1,−5)
D. (−1,−5)
E. (−5,−1)

Transcribed Image Text:

R(-1,5) Y Q(-1,-1) S(4,2) T(4,-1) -X