Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 10 - Section 10.4 - The Parabola; Identifying Conic Sections - Concept and Vocabulary Check - Page 798: 11

Answer

downwards

Work Step by Step

$x$ is the squared variable, thus the parabola opens up or down. $a\lt0$ thus the parabola opens downwards.
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