Algebra 1

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

Chapter 9 - Quadratic Functions and Equations - Chapter Test - Page 593: 24

Answer

Answers may vary. $y=-x^2+4$
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Work Step by Step

The graph above has a maximum value at $x=0$. Line of symmetry: $x=-b/2a$ $x=-0/2*-1$ $x=0$ $y=-x^2+4$ $y=-0^2+4$ $y=0+4 = 4$ Line of symmetry is at $x=0$ and goes through $(0,4)$. Since the graph opens down, we know this point is a maximum.
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