Answer
C
Work Step by Step
$y=x^2+7x+11$
vertex:
$x=-b/2a$
$x=-7/2*1$
$x=-7/2$
$y=x^2+7x+11$
$y=(-7/2)^2+7*(-7/2)+11$
$y=49/4-49/2+11$
$y=12.25-24.5+11$
$y=-1.25$
$(-3.5, -1.25)$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 11 - Rational Expressions and Functions - 11-7 Graphing Rational Functions - Standardized Test Prep - Page 700: 52
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