Apply Gaussian Elimination to Systems with More Variables Than Equations $$\begin{array} { l } x + y + z = 7 \\x - y + 2 z = 7\end{array}$$

question 55

Multiple Choice

Apply Gaussian Elimination to Systems with More Variables than Equations
- $$\begin{array} { l } x + y + z = 7 \\x - y + 2 z = 7\end{array}$$

• A) \(\left\{ \left( - \frac { 3 } { 2 } z + 7 , \frac { 1 } { 2 } z , z \right) \right\}\)
• B) \(\{ ( - 3 z + 14,2 z - 7 , z ) \}\)
• C) \(\{ ( 4,1,2 ) \}\)
• D) \(\{ ( 8 , - 3,2 ) \}\)

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