Use a Graphing Calculator to Find the Inverse of the Matrix

question 265

Multiple Choice

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

---

Definitions:

Incumbent

An individual currently holding a particular position, often used in the context of political office.

Facilitation Payments

Small payments made to expedite administrative processes or government approvals, often considered a form of bribery in many jurisdictions.

Government Officials

Individuals appointed or elected to positions of authority within government structures to oversee and implement laws and policies.

Mortgage Payments

Regular payments made towards a loan taken to purchase property, typically consisting of principal and interest components.