Answer
D
Work Step by Step
$y=x^2-6x+9$
$x=-b/2a$
$x = -(-6)/2*1$
$x = 6/2 = 3$
$x=3$
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 - Standardized Test Prep - Page 546: 43
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