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 60

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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