# What are the coordinates of point A (4,-1) after it has been reflected over the y-axis?

##### 2 Answers

Jun 5, 2018

#### Explanation:

A reflection over the y-axis leaves the point the same distance above the x-axis (that is the y-coordinate value does not change).

The x-coordinate value becomes an equal distance from the y-axis but on the other side of the y-axis (that is the x-coordinate value becomes the negative of what it was).

Jul 28, 2018

#### Explanation:

As can be seen from the above figure,

Mapping formula for reflection over y-axis is