Answer
$-26$.
Work Step by Step
The given expression is
$=-4x^2+2x-6$
Substitute $-2$ for $x$.
$=-4(-2)^2+2(-2)-6$
Evaluate the power.
$=-4(4)+2(-2)-6$
Multiply.
$=-16-4-6$
Add.
$=-26$.
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 - Maintaining Mathematical Proficiency - Page 417: 10
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