Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 4 Quadratic Functions and Factoring - 4.6 Perform Operations with Complex Numbers - 4.6 Exercises - Mixed Review - Page 282: 88


The solutions are $\sqrt{\frac{13}{2}}$ and $-\sqrt{\frac{13}{2}}$.

Work Step by Step

$ 14x^{2}=91\qquad$ ...divide entire expression with $14$. $ x^{2}=\displaystyle \frac{91}{14}\qquad$ ...divide numerator and denominator with $7$. $ x^{2}=\displaystyle \frac{13}{2}\qquad$ ...take square roots of each side. $x=\pm\sqrt{\frac{13}{2}}$
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