Question

What is the rule for the reflection ?

Answer 1

Answer:

$\large\boxed{r_{y-axis}\to(-x,\ y)}$

Step-by-step explanation:

Look at the picture.

A(-2, 1) → A'(2, 1)

B(-4, 1) → B'(4, 1)

(x, y) → (-x, y)