Answer
$x = ±\frac{\sqrt {b}}{\sqrt {a}}$
Work Step by Step
$ax^{2} - b = 0$
$ax^{2} = b$
$x^{2} = \frac{b}{a}$
$x = ±\sqrt {\frac{b}{a}}$
$x = ±\frac{\sqrt {b}}{\sqrt {a}}$
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Appendix A - A.4 - Quadratic Equations - Exercises - Page 561: 32
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