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 - 9-2 Quadratic Functions - Practice and Problem-Solving Exercises - Page 556: 17



Work Step by Step

We can define our a, b, and c values by looking at the equation's coefficients. a=-1 b=0 c=6 There is a negative coefficient in front of the x term, so the graph will open downwards. To find the axis of symmetry, we must use the equation: $\frac{-b}{2a}$. Plug in our given values for a and b: $\frac{-(0)}{2(-1)}$, which simplifies to 0. Therefore, the axis of symmetry is x=0. These qualities that the graph has best represents answer choice B.
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