Answer
The determinant of the matrix is 33.
Work Step by Step
$\det \begin{bmatrix}
2 & 1 & 4\\
3 & -5 & 0\\
1 & 0 & -1
\end{bmatrix}=2.(-5)(-1)+1.1.0+3.4.0-1.(-5).4-0.0.2-3.1(-1)=33$
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 3 Linear Systems and Matrices - Standardized Test Practice - Gridded Answer - Page 231: 13
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