College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 4 - Section 4.3 - Quadratic Functions and Their Properties - 4.3 Assess Your Understanding - Page 299: 8



Work Step by Step

RECALL: The graph of the quadratic function $f(x) = ax^2+bx+c$ is a parabola that opens: (i) upward when $a \gt 0$; or (ii) downward when $a \lt 0$ The given quadratic function has $a=2$, which is positive. Thus, the function's graph is a parabola that opens upward. Therefore, the given statement is true.
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