Answer:
All of these transformations are equivalent to reflection across the line y=x:
A. a reflection across the y-axis followed by a clockwise rotation 90° about the origin
C. a clockwise rotation 90° about the origin followed by a reflection across the x-axis
D. a counter-clockwise rotation 90° about the origin followed by a reflection across the y-axis
E. a reflection across the x-axis followed by a counter-clockwise rotation 90° about the origin
Explanation:
EDGE