Question

A figure is reflected in the x-axis. How will the coordinates change?

The x-coordinates will change sign.
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The y-coordinates will stay the same.
The x-coordinates will stay the same.
The y-coordinates will change sign.

Answer 1

Answer: The y-coordinates will change sign.

Explanation:

Reflecting across the x axis means
`(x,y) \longrightarrow (x, -y)`.