Question

What does reflection over the line y = x mean for a graph?
Select an answer

A.
A stretch of the graph vertically.


B.
A flip of a graph over the line y = x.


C.
A shift of the graph to the right.


D.
A rotation of the graph around the origin.

Answer 1

B. A flip of a graph over the line y = x.

(Reflection across y = x swaps each point (x, y) to (y, x), producing the mirror image across that line.)