Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 5 - Exponential Functions - 5.2 Solving Equations Using Exponent Rules - 5.2 Exercises: 67

Answer

$x = -6$

Work Step by Step

$-7x^{3} = 1512$ $x^{3} = -216$ $x = -216^{\frac{1}{3}}$ $x = -6$ Check: $ -7x^{3}$ $= -7(-6)^{3}$ $= -7(-216)$ $= 1512$
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