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 8.2 - The Quadratic Formula - Exercise Set - Page 608: 43

Answer

$x=${$\dfrac{2- \sqrt {10}}{3},\dfrac{2+ \sqrt {10}}{3}$}

Work Step by Step

Given: $(3x-2)^2=10$ Need to apply square root property. $(3x-2)^2=10$ This implies that $3x-2=\pm \sqrt {10}$ or, $3x=2\pm \sqrt {10}$ or, $x=\dfrac{2- \sqrt {10}}{3},\dfrac{2+ \sqrt {10}}{3}$ Hence, our solution set is: $x=${$\dfrac{2- \sqrt {10}}{3},\dfrac{2+ \sqrt {10}}{3}$}
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