Use Cramer S Rule to Solve the System of Equations $\left\{ \begin{array} { l } x + y + 2 z = 13 \\x + 2 y + z = 11 \\2 x + y + z = 12\end{array} \right.$

question 125

Multiple Choice

Use Cramer s rule to solve the system of equations, if possible. $\left\{ \begin{array} { l } x + y + 2 z = 13 \\x + 2 y + z = 11 \\2 x + y + z = 12\end{array} \right.$

• A) \(( 4,2,3 )\)
• B) \(( 3,2,4 )\)
• C) \(( 2,3,4 )\)
• D) dependent
• E) inconsistent

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