Question

What is the reflection image of (5, -3) across the y-axls? ○(-5, -3) ○(-5, 3) ○ (-3, 5)○ (5, 3)

Answer 1

A reflection across the y-axis is defined as:

`(x,y)\rightarrow(-x,y)`

Then in this case we have:

`(5,-3)\rightarrow(-5,-3)`

Therefore the answer is the first choice.