Answer
$8$.
Work Step by Step
The given expression is
$=3x^2+x-2$
Substitute $-2$ for $x$.
$=3(-2)^2+(-2)-2$
Evaluate the power.
$=3(4)-2-2$
Multiply.
$=12-2-2$
Add.
$=12-4$
Subtract.
$=8$.
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: 6
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
