Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 8 - Vocabulary Check: 3

Answer

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

Work Step by Step

The vertex of a parabola is located on the line of symmetry. The equation of the line of symmetry is $x=-\frac{b}{2a}$. Therefore the x-value of the vertex must also be located at $-\frac{b}{2a}$.
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