# What transformation transforms (a, b) to (a, −b)​?

## a reflection over the y-axis a translation of 1 unit up a reflection over the x-axis a translation of 1 unit down

Sep 10, 2016

It is a reflection over the $x$-axis that transforms $\left(a , b\right)$ to (a, −b)

#### Explanation:

It is a reflection over the $x$-axis that transforms $\left(a , b\right)$ to (a, −b)