Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 8 - Section 8.4 - Equations Quadratic in Form - Exercise Set - Page 637: 67

Answer

FALSE. The value of $u$ must be set to $\sqrt{x}$ to solve the equation. $x - 9\sqrt{x} + 14 = 0$ $u^2 - 9u + 14 = 0$ Get the factors: $(u-2)(u-7)=0$ $u-2=0$ or $u-7=0$ $u=2$ or $u=7$

Work Step by Step

FALSE. The value of $u$ must be set to $\sqrt{x}$ to solve the equation. $x - 9\sqrt{x} + 14 = 0$ $u^2 - 9u + 14 = 0$ Get the factors: $(u-2)(u-7)=0$ $u-2=0$ or $u-7=0$ $u=2$ or $u=7$
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