## College Algebra (10th Edition)

Published by Pearson

# 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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