Use Gauss-Jordan Elimination on the Augmented Matrix [A|B] to Solve $$\left\{ \begin{aligned}- x _ { 1 } + x _ { 2 } & = 7 \\- 2 x _ { 1 } + x _ { 2 } & = 0\end{aligned} \right.$$

question 2

Multiple Choice

Use Gauss-Jordan elimination on the augmented matrix [A|B] to solve for the matrix X.​ $$\left\{ \begin{aligned}- x _ { 1 } + x _ { 2 } & = 7 \\- 2 x _ { 1 } + x _ { 2 } & = 0\end{aligned} \right.$$ ​

• A) \[\left[ \begin{array} { c }
• - 7 \\
• - 14
• \end{array} \right]\]
• B) \[\left[ \begin{array} { c }
• 7 \\
• 14
• \end{array} \right]\]
• C) \[\left[ \begin{array} { c }
• 7 \\
• - 14
• \end{array} \right]\]
• D) \[\left[ \begin{array} { c }
• - 7 \\
• 14
• \end{array} \right]\]
• E) \[\left[ \begin{array} { c }
• 14 \\
• 7
• \end{array} \right]\]

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