Find the Inverse, If It Exists, for the Matrix $$\left[ \begin{array} { r r } - 3 & 4 \\6 & - 4\end{array} \right]$$

question 89

Multiple Choice

Find the inverse, if it exists, for the matrix.
- $$\left[ \begin{array} { r r } - 3 & 4 \\6 & - 4\end{array} \right]$$

• A)
• \(\left[ \begin{array} { l } \frac { 1 } { 3 } \frac { 1 } { 3 } \\ \frac { 1 } { 2 } \frac { 1 } { 4 } \end{array} \right]\)
• B)
• \(\left[ \begin{array} { l l } \frac { 1 } { 2 } & \frac { 1 } { 4 } \\ \frac { 1 } { 3 } & \frac { 1 } { 3 } \end{array} \right]\)
• C)
• \(\left[\begin{array}{ll}
• \frac{1}{4} & \frac{1}{3} \\
• \frac{1}{2} & \frac{1}{3}
• \end{array}\right]\)
• D)
• \(\left[\begin{array}{c}
• \frac{1}{3}-\frac{1}{3} \\
• -\frac{1}{2}-\frac{1}{4}
• \end{array}\right]\)

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Definitions:

Operating Cash Flow

Cash generated from a company's regular business operations, indicating its ability to generate sufficient funds to maintain and grow operations.

Percentage Change

A statistical measure indicating how much a quantity has grown or shrunk in comparison with a previous number, usually expressed as a percentage.

Accounting Break-even

The point at which total revenues equal total expenses, resulting in no net profit or loss for the business.

Project Net Income

The total earnings expected to be generated by a project after accounting for all expenses and taxes.