Write the Matrix in Reduced Row-Echelon Form $$\left[ \begin{array} { r r r } 4 & 5 & 11 \\3 & 1 & - 11 \\3 & 5 & 17\end{array} \right]$$

question 127

Multiple Choice

Write the matrix in reduced row-echelon form. $$\left[ \begin{array} { r r r } 4 & 5 & 11 \\3 & 1 & - 11 \\3 & 5 & 17\end{array} \right]$$

• A) \(\left[ \begin{array} { r r r }
• 1 & 0 & - 6 \\
• 0 & 0 & 0 \\
• 0 & 0 & 0
• \end{array} \right]\)
• B) \(\left[ \begin{array} { l l l }
• 1 & 0 & 0 \\
• 0 & 1 & 0 \\
• 0 & 0 & 0
• \end{array} \right]\)
• C) \(\left[ \begin{array} { c c c }
• 1 & 0 & - 4 \\
• 0 & 1 & 5 \\
• 0 & 0 & 1
• \end{array} \right]\)
• D) \(\left[ \begin{array} { c c c }
• 1 & 0 & - 7 \\
• 0 & 1 & - 6 \\
• 0 & 0 & 0
• \end{array} \right]\)
• E) \(\left[ \begin{array} { r r r }
• 1 & 0 & - 6 \\
• 0 & 1 & 7 \\
• 0 & 0 & 0
• \end{array} \right]\)

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Definitions:

Accounts Receivable Turnover

A financial ratio that measures how efficiently a company collects revenue from its credit sales, by dividing net credit sales by the average accounts receivable.

Days' Sales

An indicator of a company's efficiency in managing its inventory, it calculates the number of days it typically takes to sell the entire inventory.

Average Accounts Receivable

The mean value of accounts receivable over a given period, indicating the average amount owed to a company by its customers.

Inventory Turnover

A measure of how often a company's inventory is sold and replaced over a certain period, indicating the efficiency of inventory management.