Answer
Answers may vary.
$y=-x^2$
Work Step by Step
The vertex must be at (0,0) and open downward.
For the vertex to be at the origin, the axis of symmetry must be at $x=0$.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-2 Quadratic Functions - Practice and Problem-Solving Exercises - Page 545: 37
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