Solve the System of Equations $$\begin{aligned}x _ { 1 } + 3 x _ { 2 } + 2 x _ { 3 } & = 11 \\4 x _ { 2 } + 9 x _ { 3 } & = - 12 \\x _ { 3 } & = - 4\end{aligned}$$

question 44

Multiple Choice

Solve the system of equations.
- $$\begin{aligned}x _ { 1 } + 3 x _ { 2 } + 2 x _ { 3 } & = 11 \\4 x _ { 2 } + 9 x _ { 3 } & = - 12 \\x _ { 3 } & = - 4\end{aligned}$$

• A) \(( 1 , - 4,6 )\)
• B) \(( - 4,6,1 )\)
• C) \(( 1,6 , - 4 )\)
• D) \(( - 4,1,6 )\)

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