Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 9 - Section 9.5 - Graphs of Quadratic Equations - Exercise Set - Page 665: 3



Work Step by Step

The graph of the quadratic function $y=ax^2+bx+c$ is a parabola that opens up if $a\gt0$ or opens down if $a\lt0$. In the given equation, $ y=-2x^2+x+6 ,$ the value of $a$ is $a= -2 .$ Hence, the parabola opens $\text{ downward }.$
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