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Help with pre algebra

Help with pre algebra-example-1

2 Answers

3 votes

Answer:

Y-axis

Explanation:

B is a reflection of point A across theY-axis. The vertical line is Y and the horizontal line is X.

User Dave Ziegler
by
3.9k points
6 votes

Answer:

The y-axis.

Explanation:

This is because it is mirroring across the y-axis, and the x-coordinate's sign is getting changed from positive to negative.

User Crispert
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3.5k points