Write the Augmented Matrix for the System $$\left\{ \begin{aligned}4 x + 9 y + 2 z & = 30 \\- 2 x + 6 y + 2 z & = 0 \\9 x + 6 y + 5 z & = 38\end{aligned} \right.$$

question 4

Multiple Choice

Write the augmented matrix for the system.
- $$\left\{ \begin{aligned}4 x + 9 y + 2 z & = 30 \\- 2 x + 6 y + 2 z & = 0 \\9 x + 6 y + 5 z & = 38\end{aligned} \right.$$

• A) \(\left[ \begin{array} { r r | r } 4 & 9 & 2 \\ - 2 & 6 & 2 \\ 9 & 5 \end{array} \right]\)
• B) \(\left[ \begin{array} { r r r | r } 30 & 2 & 9 & 4 \\ 0 & 2 & 6 & - 2 \\ 38 & 5 & 6 & 9 \end{array} \right]\)
• C) \(\left[ \begin{array} { r r r | r } 4 & 9 & 2 & 30 \\ - 2 & 6 & 2 & 0 \\ 9 & 6 & 5 & 38 \end{array} \right]\)
• D) \(\left[ \begin{array} { r r r | r } 4 & - 2 & 9 & 30 \\ 9 & 6 & 6 & 0 \\ 2 & 2 & 5 & 38 \end{array} \right]\)