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Write the Augmented Matrix for the System 6x+7y+8z=635x+3y+2z=464x+9y2z=23\begin{array} { l } 6 x + 7 y + 8 z = 63 \\5 x + 3 y + 2 z = 46 \\4 x + 9 y - 2 z = 23\end{array}

Question 392

Multiple Choice

Write the augmented matrix for the system. Do not
- 6x+7y+8z=635x+3y+2z=464x+9y2z=23\begin{array} { l } 6 x + 7 y + 8 z = 63 \\5 x + 3 y + 2 z = 46 \\4 x + 9 y - 2 z = 23\end{array}


A)
[654637394682223]\left[ \begin{array} { r r r | r } 6 & 5 & 4 & 63 \\7 & 3 & 9 & 46 \\8 & 2 & - 2 & 23\end{array} \right]
B)
[678635324649223]\left[ \begin{array} { r r r | r } 6 & 7 & 8 & 63 \\ 5 & 3 & 2 & 46 \\ 4 & 9 & - 2 & 23 \end{array} \right]
C)
[638764623523294]\left[ \begin{array} { r r r | r } 63 & 8 & 7 & 6 \\ 46 & 2 & 3 & 5 \\ 23 & - 2 & 9 & 4 \end{array} \right]
D)
[678532492]\left[ \begin{array} { r r r } 6 & 7 & 8 \\ 5 & 3 & 2 \\ 4 & 9 & - 2 \end{array} \right]

Correct Answer:

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