Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 9 - Quadratic Functions and Equations - 9-1 Quadratic Graphs and Their Properties - Practice and Problem-Solving Exercises - Page 539: 45



Work Step by Step

The basic form of the equation is $y=a(k(x-d))^{2} + c$ $a\lt0$ says that a is less than zero meaning that a value is negative. Since the a value is negative the graph opens downwards. The graph of M opens downwards and thus has a negative a value.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.