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: 47



Work Step by Step

The basic form of the equation is $y=a(k(x-d))^{2} + c$ The a value in a equation determines the vertical stretch or compression. As the a value decreases the graph is vertically compressed and becomes wider. The graph of M has the lowest a value and is vertically compressed and is wider.
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