Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 9 - Quadratic Functions and Equations - 9-6 The Quadratic Formula and the Discriminant - Practice and Problem-Solving Exercises - Page 587: 24

Answer

Square Root Method

Work Step by Step

The square root method should be used here. After all, by moving 49 to the other side of the equation and then by dividing by 9 on both sides of the equation, the x squared term can be isolated with only one term on the other side of the equation. By taking the square root, the problem can easily be solved.
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