Write the Augmented Matrix for the System $$\begin{array} { r r } 6 x + 8 y & = 5 \\3 y - 4 z = - 2 \\5 z = 2\end{array}$$

question 334

Multiple Choice

Write the augmented matrix for the system. Do not
- $$\begin{array} { r r } 6 x + 8 y & = 5 \\3 y - 4 z = - 2 \\5 z = 2\end{array}$$

• A)
• \[\left[ \begin{array} { r r r | r }
• 6 & 8 & 5 & 0 \\
• 3 & - 4 & 0 & - 2 \\
• 5 & 0 & 0 & 2
• \end{array} \right]\]
• B)
• \[\left[ \begin{array} { r r r | r }
• 6 & 8 & 0 & 5 \\
• 0 & 3 & - 4 & - 2 \\
• 0 & 0 & 5 & 2
• \end{array} \right]\]
• C)
• \[\left[ \begin{array} { r r r | r }
• 6 & 8 & 0 & 5 \\
• 3 & - 4 & 0 & - 2 \\
• 2 & 0 & 0 & 2
• \end{array} \right]\]
• D)
• \[\left[ \begin{array} { r r r | r }
• 6 & 8 & 5 & 0 \\
• 3 & - 4 & - 2 & 0 \\
• 5 & 2 & 0 & 0
• \end{array} \right]\]

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Definitions:

Herfindahl Index

A measure of market concentration that squares the market share of each firm competing in the market and sums the resulting numbers.

Oligopolistic Industry

A market structure characterized by a small number of large firms dominating the industry, leading to limited competition.

Concentration Ratio

is a measure used to determine the market share of the largest firms within an industry, indicating the degree of market control and competition.

Herfindahl Index

An index reflecting the scale of companies compared to the entire sector and a sign of the level of competitive activity present.