Intermediate Algebra (6th Edition)

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

Chapter 7 - Section 7.2 - Rational Exponents - Exercise Set: 111

Answer

$B=-2$

Work Step by Step

$-8^{\frac{1}{3}}=-(\sqrt[3] 8)=-(2)=-2$ We know that $\sqrt[3] 8=2$, because $2^{3}=8$. In this case, we are taking the opposite of $\sqrt[3] 8$.
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