Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.5 - Rationalizing Numerators and Denominators of Radical Expressions - Vocabulary and Readiness Check - Page 717: 10


$-9\sqrt 2+6\sqrt y$

Work Step by Step

The conjugate of $-9\sqrt 2-6\sqrt y$ is found by changing the sign between the two terms to positive. Therefore, the conjugate is $-9\sqrt 2+6\sqrt y$.
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