Choose the One Alternative That Best Completes the Statement or Answers

question 75

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
Write the augmented matrix for the given system.
- $$\begin{aligned}- 3 x - 6 y + 9 z & = 12 \\- x + 2 y & = - 10 \\x - 8 z & = - 2\end{aligned}$$

• A)
• \[\left[ \begin{array} { r r r | r }
• - 3 & - 6 & 9 & 12 \\
• - 1 & 2 & 0 & - 10 \\
• 1 & - 8 & 0 & - 2
• \end{array} \right]\]
• B)
• \[\left[ \begin{array} { r r r }
• - 3 & - 6 & 9 \\
• - 1 & 2 & 0 \\
• 1 & 0 & - 8 \\
• 12 & - 10 & - 2
• \end{array} \right]\]
• C)
• \[\left[ \begin{array} { r r r | r }
• - 3 & - 6 & 9 & 12 \\
• - 1 & 2 & 0 & - 10 \\
• 1 & 0 & - 8 & - 2
• \end{array} \right]\]
• D)
• \[\left[ \begin{array} { r r r | r }
• - 3 & - 6 & 9 & 12 \\
• 0 & - 1 & 2 & - 10 \\
• 0 & 1 & - 8 & - 2
• \end{array} \right]\]

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Definitions:

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Intermediate Calculations

Calculations performed during a complex problem-solving process that are not the final result but used to achieve the end outcome.