Question

Figure ABCDE was reflected across the line y = x to

create figure A'B'C'D'E'. What are the coordinates of
the pre-image of E?

Answer 1

See below.

Explanation:

If the coordinates of E' were (a, b) the coordinates of the pre-image E would be (b, a).

y = x is the line so the coordinates will flip.

Answer 2

It would be -2, 6

Explanation: