## Algebra and Trigonometry 10th Edition

Published by Cengage Learning

# Chapter 10 - 10.4 - The Determinant of a Square Matrix - 10.4 Exercises - Page 742: 15

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#### Work Step by Step

The determinant of a 2x2 matrix can be determined using the formula ad-bc where $\begin{bmatrix} a & b \\ c & d \end{bmatrix}$ In this matrix the determinant is: (-3)(-4) - (-6)(-2) = 12 - 12 = 0

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