College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 4 - Section 4.3 - Quadratic Functions and Their Properties - 4.3 Assess Your Understanding: 7

Answer

$-\dfrac{b}{2a}$

Work Step by Step

RECALL: The vertex of a quadratic function has an $x$-coordinate of $-\dfrac{b}{2a}$. Thus, the missing expression in the given statement is: $-\dfrac{b}{2a}$.
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