Answer
$-25$
Work Step by Step
The given expression is
$=-4n^2+11$
Substitute $3$ for $n$.
$=-4(3)^2+11$
Simplify.
$=-4(9)+11$
$=-36+11$
$=-25$
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 8 - Graphing Quadratic Functions - 8.1 - Graphing f(x) = ax^2 - Exercises - Page 424: 34
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