## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 4 Quadratic Functions and Factoring - 4.1 Quadratic Functions in Standard Form - 4.1 Exercises - Skill Practice - Page 241: 45

A

#### Work Step by Step

We know that quadratic functions follow the form $y=ax^2+bx+c$, where $-\frac{b}{2a}$ is the x coordinate of the vertex. Since the function in problem 45 has a value of b of 0, its vertex must be at x=0. Thus, option A is correct.

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