Precalculus (6th Edition)

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

Chapter 2 - Graphs and Functions - Chapter 2 Test Prep - Review Exercises: 26

Answer

The given equation does not define $y$ as a function of $x$.

Work Step by Step

For each value of $x$, the equation gives two values of $y$. Example: When $x=3$, the possible values of $y$ are $3$ and $-3$. Therefore, the given equation does not define $y$ as a function of $x$.
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