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: 55


$$x=\pm \sqrt[4] 8$$

Work Step by Step

Solving the equation by isolating the variable and using radicals, we find: $$7x^4=56 \\ x^4=8 \\ x=\pm \sqrt[4] 8$$
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