Write the Matrix in Reduced Row-Echelon Form $$\left[ \begin{array} { r r r r } 5 & - 7 & - 3 & 6 \\- 6 & - 6 & 2 & - 44 \\2 & - 4 & - 2 & - 4\end{array} \right]$$

question 9

Multiple Choice

Write the matrix in reduced row-echelon form. $$\left[ \begin{array} { r r r r } 5 & - 7 & - 3 & 6 \\- 6 & - 6 & 2 & - 44 \\2 & - 4 & - 2 & - 4\end{array} \right]$$

• A) \[\left[ \begin{array} { l l l l }
• 1 & 0 & 0 & 6 \\
• 0 & 1 & 0 & 3 \\
• 0 & 0 & 1 & 5
• \end{array} \right]\]
• B) \[\left[ \begin{array} { l l l l }
• 1 & 0 & 0 & 1 \\
• 0 & 1 & 0 & 1 \\
• 0 & 0 & 1 & 1
• \end{array} \right]\] ​
• C) \[\left[ \begin{array} { l l l l }
• 1 & 0 & 0 & 7 \\
• 0 & 1 & 0 & 2 \\
• 0 & 0 & 1 & 5
• \end{array} \right]\] ​
• D) \[\left[ \begin{array} { l l l l }
• 1 & 0 & 0 & 0 \\
• 0 & 1 & 0 & 0 \\
• 0 & 0 & 1 & 0
• \end{array} \right]\]
• E) \[\left[ \begin{array} { l l l l }
• 1 & 0 & 0 & 7 \\
• 0 & 1 & 0 & 5 \\
• 0 & 0 & 1 & 2
• \end{array} \right]\] ​

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Definitions:

Ringelmann Effect

A phenomenon where individual productivity decreases as the number of people in a group increases.

Social Loafing

The phenomenon where individuals in a group contribute less effort than they would when working alone, due to a diffusion of responsibility.

Coordination Losses

Inefficiencies that occur when individuals working in a group fail to synchronize their actions or contributions optimally.

Anonymity

The state of being anonymous, where a person's identity is not known or is deliberately concealed.