Answer
A negative value of $a$ causes the parabola's ends to point downward.
Work Step by Step
A function with a negative coefficient $a$ is the reflection of a function with a positive coefficient $a$ about the $x-$ axis.
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 1 - Section 1.2 - The Rectangular Coordinate System - 1.2 Problem Set - Page 23: 26
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
