Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 7 - Section 7.1 - Radicals and Radical Functions - Exercise Set - Page 418: 112


The radical $\sqrt[3]{-64}$ is a real number because even though the radicand is a negative number, the index is however an odd number. Also, there is a real number (which is $-4$) such that when it is multiplied to itself three times will give a negative product (such as $-64$).

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