## Algebra 1

Published by Prentice Hall

# Chapter 9 - Quadratic Functions and Equations - 9-2 Quadratic Functions - Practice and Problem-Solving Exercises - Page 545: 37

#### 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 $x=0$.

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