Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter R - Review of Basic Concepts - R.2 Real Numbers and Their Properties - R.2 Exercises - Page 22: 114

Answer

$x$ and $y$ must have different signs.

Work Step by Step

The expression $-\dfrac{x}{y} >0$ is equivalent to $\dfrac{x}{y}<0$ For the expression $\dfrac{x}{y}<0$ to be true, $x$ and $y$ must have different signs.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.