#### Answer

15

#### Work Step by Step

We evaluate the determinant of the matrix using Cramer's rule, which is listed on page 203. Doing this, we find:
$$\det \begin{pmatrix}3&-2\\ 6&1\end{pmatrix} \\ 3\cdot \:1-\left(-2\right)\cdot \:6 \\ 15$$

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Published by
McDougal Littell

ISBN 10:
0618595414

ISBN 13:
978-0-61859-541-9

15

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