Perform Matrix Row Operations
- A) $$\left[ \begin{array} { c c r | r } - 4 & 12 & 2 & 9 \\1 & 13 & - 3 & 0 \\2 & - 7 & 4 & 21\end{array} \right]$$

question 10

Multiple Choice

Perform Matrix Row Operations
- $$\left[ \begin{array} { r r r | r } - 20 & 60 & 10 & 45 \\1 & 13 & - 3 & 0 \\2 & - 7 & 4 & 21\end{array} \right] \frac { 1 } { 5 } \mathrm { R } _ { 1 }$$

• A)
• \[\left[ \begin{array} { c c r | r }
• - 4 & 12 & 2 & 9 \\
• 1 & 13 & - 3 & 0 \\
• 2 & - 7 & 4 & 21
• \end{array} \right]\]
• B)
• \[\left[ \begin{array} { c c r | r }
• - 20 & 60 & 10 & 45 \\
• \frac { 1 } { 5 } & \frac { 13 } { 5 } & - \frac { 3 } { 5 } & 0 \\
• 2 & - 7 & 4 & 21
• \end{array} \right]\]
• C)
• \[\left[ \begin{array} { r r r | r }
• - 4 & 12 & 2 & 45 \\
• 1 & 13 & - 3 & 0 \\
• 2 & - 7 & 4 & 21
• \end{array} \right] \quad
• D)
• \left[ \begin{array} { r r r | r }
• - 4 & 12 & 2 & 9 \\
• \frac { 1 } { 5 } & \frac { 13 } { 5 } & - \frac { 3 } { 5 } & 0 \\
• \frac { 2 } { 5 } - \frac { 7 } { 5 } & \frac { 4 } { 5 } & \frac { 21 } { 5 }
• \end{array} \right]\]

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Definitions:

Product Standardization

The process of setting uniform characteristics for a particular product or products, which can help reduce costs and increase quality.

Weight-To-Volume Ratio

A measure that compares the weight of an object to its volume, often used in shipping and material science.

Supply-Chain Management

The oversight of materials, information, and finances as they move from supplier to manufacturer to wholesaler to retailer to consumer.