Use Graphing Calculator to Find the Inverse of the Matrix $$A=\left[\begin{array}{ccc}1 / 3 & 2 / 7 & 4 / 5 \\17 / 11 & 5 & 0 \\18 / 13 & -5 / 6 & 8 / 7\end{array}\right]$$

question 11

Multiple Choice

Use graphing calculator to find the inverse of the matrix. Give 5 decimal places.
- $$A=\left[\begin{array}{ccc}1 / 3 & 2 / 7 & 4 / 5 \\17 / 11 & 5 & 0 \\18 / 13 & -5 / 6 & 8 / 7\end{array}\right]$$

• A) \( \left[\begin{array}{lll}0 & 0 & 1 \\ 0 & 1 & 0 \\ 1 & 0 & 0\end{array}\right] \)
• B) \( \left[\begin{array}{rrr}2.65952 & 0.15830 & -1.86167 \\ -9.04238 & -0.33824 & 6.32966 \\ 3.37129 & 0.05484 & -1.48490\end{array}\right] \)
• C) \( \left[\begin{array}{rrr}-1.10557 & 0.19216 & 0.77390 \\ 0.34172 & 0.14061 & -0.23920 \\ 1.58861 & -0.13028 & -0.23703\end{array}\right] \)
• D)
• \( \left[\begin{array}{lll}3 & 3.5 & 1.25 \\ 0.64706 & 5 & 0 \\ 0.72222 & -1.2 & 1.14286\end{array}\right] \)

---

Definitions:

Square

A polygon with four equal sides and four right angles.

Relationship

How two or more notions, entities, or persons are associated, or the status of association.

Populations

The whole set of individuals or objects of interest in a particular study or statistical analysis.

Categories

Distinct groups or classes into which data or objects are organized.