Answer
-3
Work Step by Step
We follow the instructions to plug -1 in for a, 3 in for b, and -2 in for c, and then we use order of operations to simplify:
$ (-2)^{2} +2(-1)(3)-1 \\\\= 4 +(-6)-1 \\\\=-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 - Get Ready - Page 531: 6
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