Write the Augmented Matrix Associated with the System $$\left\{ \begin{array} { r r } - 6 x + 5 y & = 6 \\2 y + & 3 z = - 6 \\- 9 z & = 7\end{array} \right.$$

question 164

Multiple Choice

Write the augmented matrix associated with the system.
- $$\left\{ \begin{array} { r r } - 6 x + 5 y & = 6 \\2 y + & 3 z = - 6 \\- 9 z & = 7\end{array} \right.$$

• A)
• \(\left[ \begin{array} { r r r | r } - 6 & 5 & 0 & 6 \\ 0 & 2 & 3 & - 6 \\ 0 & 0 & - 9 & 7 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { r r r | r } - 6 & 5 & 6 & 0 \\ 2 & 3 & - 6 & 0 \\ - 9 & 7 & 0 & 0 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { r r r | r } - 6 & 5 & 0 & 6 \\ 2 & 3 & 0 & - 6 \\ 7 & 0 & 0 & 7 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { r r r | r } - 6 & 5 & 6 & 0 \\ 2 & 3 & 0 & - 6 \\ - 9 & 0 & 0 & 7 \end{array} \right]\)

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Definitions:

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A measure of the number of deaths in a particular population, scaled to the size of that population, per unit of time.

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