Find the Inverse of the Matrix $$\left[ \begin{array} { r r } 4 & 0 \\- 1 & - 1\end{array} \right]$$

question 131

Multiple Choice

Find the inverse of the matrix.
- $$\left[ \begin{array} { r r } 4 & 0 \\- 1 & - 1\end{array} \right]$$

• A) \(\left[ \begin{array} { c c } \frac { 1 } { 4 } & 0 \\ - \frac { 1 } { 4 } & - 1 \end{array} \right]\)
• B) \(\left[ \begin{array} { c c } - 1 & 0 \\ - \frac { 1 } { 4 } & \frac { 1 } { 4 } \end{array} \right]\)
• C) \(\left[ \begin{array} { c c } \frac { 1 } { 4 } & 0 \\ \frac { 1 } { 4 } & - 1 \end{array} \right]\)
• D) No inverse

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Definitions:

Budgeted Amounts

planned financial values or targets for revenues, expenses, assets, liabilities, and equity accounts.

Direct Materials

Raw materials that are directly traceable to the production of a specific product or service.

Direct Labor

The wages and benefits of employees who are directly involved in the production of goods or services.

Fixed Overhead

Regular, ongoing expenses in dictated business operations, such as rent and salaries, that do not vary with production levels.