Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 4 - Quadratic Functions - 4.4 Solving Quadratic Equations by the Square Root Property and Completing the Square - 4.4 Exercises: 4

Answer

$x=-6,6$

Work Step by Step

When taking the square root of a number, you get a positive and a negative answer. $5x^2=180$ $x^2=36$ $x=-6,6$
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