Question

Reflect the figure across the y-axis. What are thecoordinates of the image?

Answer 1

Given:

The coordinates of the given triangle are

`(-4,1),(-1,1),(-3,4)`

To find:

We need to find the coordinates of the image when the given figure reflects across the y-axis.

Step-by-step explanation:

Recall that the reflection of point (x, y) across the y-axis is (-x, y).

Consider the point (-4,1)

`(-4,1)\rightarrow(-(-4),1)=(4,1)`

Consider the point (-1,1).

`(-1,1)\rightarrow(-(-1),1)=(1,1)`

Consider the point (-3,4).

`(-3,1)\rightarrow(-(-3),1)=(3,1)`

Final answer:

The coordinates of the image of the given triangle are

`(4,1),(1,1),(3,4)`