Multiply Matrices


- A) $$\left[ \begin{array} { r r r } 3 & - 7 & 1 \\6 & - 20 & 17\end{array} \right]$$

question 106

Multiple Choice

Multiply Matrices


- $A = \left[ \begin{array} { r r } - 1 & 3 \\ 1 & 6 \end{array} \right] , B = \left[ \begin{array} { l l l } 0 & - 2 & 5 \\ 1 & - 3 & 2 \end{array} \right]$

• A)
• \[\left[ \begin{array} { r r r }
• 3 & - 7 & 1 \\
• 6 & - 20 & 17
• \end{array} \right]\]
• B) \(\mathrm { AB }\) is not defined.
• C)
• \(\left[ \begin{array} { r r } 3 & 6 \\ - 7 & - 20 \\ 1 & 17 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { c c c } 0 & - 6 & 15 \\ 1 & - 18 & 12 \end{array} \right]\)

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Definitions:

Working Capital

An indicator of a company's short-term financial health, calculated as current assets minus current liabilities.

Acid-test Ratio

A liquidity metric that measures a company's ability to pay off its current liabilities with its most liquid assets, without relying on the sale of inventory.

Times Interest

Likely refers to the "Times Interest Earned Ratio" or "Interest Coverage Ratio," which measures a company's ability to meet its interest obligations from earnings.

Debt-to-equity Ratio

A ratio that reflects the mix of debt and equity used to finance a company's assets.