Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 9 - Section 9.2 - Solving Quadratic Equations by Completing the Square - Concept and Vocabulary Check: 2

Answer

9

Work Step by Step

The coefficient of x is -6. Adding the square of half the coefficient creates a perfect square. $(-6\div2)^2=(-3)^2=9$
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