Intermediate Algebra (6th Edition)

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

Chapter 8 - Section 8.5 - Quadratic Functions and Their Graphs - Vocabulary, Readiness & Video Check: 6

Answer

highest

Work Step by Step

If $a<0$, then $a$ is negative. When $a$ is negative the graph of the parabola opens downward which creates an upside-down U-shaped graph. Therefore the vertex is the highest point on the graph.
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