## College Algebra 7th Edition

Published by Brooks Cole

# Chapter P, Prerequisites - Chapter P Review - Exercises - Page 77: 116

#### Answer

$x=\pm\frac{7}{2}$

#### Work Step by Step

We solve the equation: $4x^{2}=49\displaystyle$ $x^{2}=\frac{49}{4}$ $x=\pm\sqrt{\frac{49}{4}}=\pm\frac{7}{2}$

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