Use Cramer's Rule to Solve the System of Equations $\begin{array} { l } 2 x + 8 y + 8 z = 24 \\x + 4 y + 4 z = - 4 \\x + y + z = - 6\end{array}$

question 19

Multiple Choice

Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.
$\begin{array} { l } 2 x + 8 y + 8 z = 24 \\x + 4 y + 4 z = - 4 \\x + y + z = - 6\end{array}$

• A) Cramer's rule does not apply since \(D = 0 ; \varnothing\)
• B) Cramer's rule does not apply since D}=0 ;{(2z - 1, z+2, z)}
• C) {(-1,5,-6)}
• D) {(-6,-1,5)}

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