College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.1 - Page 17: 55


$5-\sqrt 2$

Work Step by Step

|$\sqrt 2 - 5$| This must evaluate to a positive number. The square root of 2 is a very small quantity and if you were to subtract 5 from it you would get a negative result. Find the opposite. -($\sqrt 2 - 5$) Multiply through. -$\sqrt 2 + 5$ $5-\sqrt 2$
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