#### Answer

Quadrant I and Quadrant III

#### Work Step by Step

The product $xy$ will be positive when $x$ and $y$ have the same sign.
Points in Quadrant I and Quadrant III have coordinates with the same signs so the product $xy$ will be positive.

Published by
Pearson

ISBN 10:
0-13446-914-3

ISBN 13:
978-0-13446-914-0

Quadrant I and Quadrant III

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