Use the matrix capabilities of a graphing utility to find the determinant of the matrix $$\left[ \begin{array} { c c c }
0.2 & - 0.6 & 0.6 \
0.8 & 0.4 & 0 \
- 0.4 & - 1.4 & 1.0
\end{array} \right]$$ .
A)-0.008
B)-0.080
C)-0.040
D)0.024
E)-0.016

Question

Use the matrix capabilities of a graphing utility to find the determinant of the matrix $$\left[ \begin{array} { c c c } 
0.2 & - 0.6 & 0.6 \
0.8 & 0.4 & 0 \
- 0.4 & - 1.4 & 1.0
\end{array} \right]$$ .
A)-0.008
B)-0.080
C)-0.040
D)0.024
E)-0.016

Quizplus · Accepted Answer

The Answer of Use the matrix capabilities of a graphing utility to find the determinant of the matrix $$\left[ \begin{array} { c c c } 
0.2 & - 0.6 & 0.6 \
0.8 & 0.4 & 0 \
- 0.4 & - 1.4 & 1.0
\end{array} \right]$$ .
A)-0.008
B)-0.080
C)-0.040
D)0.024
E)-0.016

Use the Matrix Capabilities of a Graphing Utility to Find [0.2−0.60.60.80.40−0.4−1.41.0]\left[ \begin{array} { c c c } 0.2 & - 0.6 & 0.6 \\0.8 & 0.4 & 0 \\- 0.4 & - 1.4 & 1.0\end{array} \right]​0.20.8−0.4​−0.60.4−1.4​0.601.0​​

Use the Matrix Capabilities of a Graphing Utility to Find $\left[ \begin{array} { c c c } 0.2 & - 0.6 & 0.6 \\0.8 & 0.4 & 0 \\- 0.4 & - 1.4 & 1.0\end{array} \right]$