Use a graphing calculator to find the inverse of the matrix. Give five decimal places, if necessary.
-$$A = \left[ \begin{array} { c c c }
1 / 3 & 2 / 7 & 4 / 5 \
17 / 11 & 5 & 0 \
18 / 13 & - 5 / 6 & 8 / 7
\end{array} \right]$$
A) $\left[ \begin{array} { c c c } 3 & 3.5 & 1.25 \ 0.64706 & 5 & 0 \ 0.72222 & - 1.2 & 1.14286 \end{array} \right]$
B)
$$\left[ \begin{array} { l l l }
0 & 0 & 1 \
0 & 1 & 0 \
1 & 0 & 0
\end{array} \right]$$

C)
$$\left[ \begin{array} { r r r }
- 1.10557 & 0.19216 & 0.77390 \
0.34172 & 0.14061 & - 0.23920 \
1.58861 & - 0.13028 & - 0.23703
\end{array} \right]$$
D)

$$\left[ \begin{array} { r r r }
2.65952 & 0.15830 & - 1.86167 \
- 9.04238 & - 0.33824 & 6.32966 \
3.37129 & 0.05484 & - 1.48490
\end{array} \right]$$

Question

Use a graphing calculator to find the inverse of the matrix. Give five decimal places, if necessary.
-$$A = \left[ \begin{array} { c c c } 
1 / 3 & 2 / 7 & 4 / 5 \
17 / 11 & 5 & 0 \
18 / 13 & - 5 / 6 & 8 / 7
\end{array} \right]$$
A) $\left[ \begin{array} { c c c } 3 & 3.5 & 1.25 \ 0.64706 & 5 & 0 \ 0.72222 & - 1.2 & 1.14286 \end{array} \right]$
B)
$$\left[ \begin{array} { l l l } 
0 & 0 & 1 \
0 & 1 & 0 \
1 & 0 & 0
\end{array} \right]$$

C)
$$\left[ \begin{array} { r r r } 
- 1.10557 & 0.19216 & 0.77390 \
0.34172 & 0.14061 & - 0.23920 \
1.58861 & - 0.13028 & - 0.23703
\end{array} \right]$$
D)

$$\left[ \begin{array} { r r r } 
2.65952 & 0.15830 & - 1.86167 \
- 9.04238 & - 0.33824 & 6.32966 \
3.37129 & 0.05484 & - 1.48490
\end{array} \right]$$

Quizplus · Accepted Answer

The inverse of a matrix is calculated using a specific mathematical procedure that involves finding the determinant and the adjugate of the original matrix. Without performing the calculation directly here, the correct answer is identified through the use of a graphing calculator as instructed.

Use a Graphing Calculator to Find the Inverse of the Matrix