Use Cramer's Rule to Solve the System of Equations $\begin{array} { l } 2 x + 5 y + z = - 6 \\4 x - 3 y - z = 24 \\3 x + y + 3 z = 12\end{array}$

question 25

Multiple Choice

Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.
$\begin{array} { l } 2 x + 5 y + z = - 6 \\4 x - 3 y - z = 24 \\3 x + y + 3 z = 12\end{array}$

• A) {(4,-3,1)}
• B) Cramer's rule does not apply since \(\mathrm { D } = 0 ; \not\)
• C) {(4,1,-3)}
• D) {(1,-3,4)}

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