Answer
$15$
Work Step by Step
$det\begin{bmatrix}
3 & -4 \\
3 & 1
\end{bmatrix}
=(3\times1)-(3\times(-4))=3+12=15
$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 5 Polynomials and Polynomial Functions - 5.3 Add, Subtract, and Multiply Polynomials - 5.3 Exercises - Mixed Review - Page 352: 76
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