Determine Whether the Matrix Is in Echelon Form, Reduced Echelon $$\left[ \begin{array} { r r r r } 1 & - 5 & 3 & 4 \\0 & 0 & - 5 & - 4 \\0 & 0 & 0 & - 2 \\0 & 0 & 0 & 0\end{array} \right]$$

question 3

Multiple Choice

Determine whether the matrix is in echelon form, reduced echelon form, or neither.
- $$\left[ \begin{array} { r r r r } 1 & - 5 & 3 & 4 \\0 & 0 & - 5 & - 4 \\0 & 0 & 0 & - 2 \\0 & 0 & 0 & 0\end{array} \right]$$

• A)Neither
• B)Echelon form
• C)Reduced echelon form

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Definitions:

EBIT

Excluding interest and tax payments, Earnings Before Interest and Taxes provides an assessment of a firm's economic performance.

Leverage

The use of borrowed money (debt) to amplify the potential return on investment.

EAT

Earnings After Tax, which refers to the net profit a company makes after deducting all its costs, including taxes.

Gross Margin

The difference between revenue and the cost of goods sold, divided by revenue, expressed as a percentage.