Which of the following rules best describes the matrix below?

a. rotation of 90 counterclockwise about the origin c.
b. reflection over the line y = x
C. rotation of 180° about the origin
D. translation 1 unit left and 1 unit up

Which of the following rules best describes the matrix below a rotation of 90 counterclockwise about the origin c b reflection over the line y x C rotation of 1 class=