Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 6 Rational Exponents and Radical Functions - 6.1 Evaluate nth Roots and Use Rational Exponents - 6.1 Exercises - Skill Practice - Page 418: 56

Answer

$\approx-2.47$

Work Step by Step

$x^3+40=25\\x^3=-15\\x=\sqrt[3]{-15}\approx-2.47$
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