Question

Suppose line g is the line with the equation y = x. Given A(7, -3), B(7, 3), and C(-1, -7), what are the coordinates of the vertices of ΔA’B’C’ for the reflection?

Answer 1

Below in bold.

Explanation:

A reflection in the line y = x is described as;

(x, y) ---> (y, x)

So, A' = (-3, 7)

B' = (3, 7)

C' = (-7, -1).