College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.8 - Solving Basic Equations - P.8 Exercises - Page 60: 96


$b=\pm \sqrt{c^2-a^2}$

Work Step by Step

Subtract $a^2$ to both sides to obtain: $b^2=c^2-a^2$ Take the square root of both sides to obtain: $b=\pm \sqrt{c^2-a^2}$
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