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