Use the Matrix Capabilities of a Graphing Utility to Find $\left[ \begin{array} { c c c } 0.8 & - 2.4 & 2.4 \\3.2 & 1.6 & 0 \\- 1.6 & - 5.6 & 4\end{array} \right]$

question 42

Multiple Choice

Use the matrix capabilities of a graphing utility to find the determinant of the matrix $\left[ \begin{array} { c c c } 0.8 & - 2.4 & 2.4 \\3.2 & 1.6 & 0 \\- 1.6 & - 5.6 & 4\end{array} \right]$ .

• A) \(- 1.28\)
• B) \(- 2.56\)
• C) \(- 0.512\)
• D) \(1.536\)
• E) \(- 1.024\)

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