Use Cramer's Rule to Solve the System of Equations $$\begin{array} { c } - 5 x + 2 z = - 26 \\7 x + 9 y + 4 z = 113 \\- 9 x - 6 y \quad = - 96\end{array}$$

question 259

Multiple Choice

Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.
- $$\begin{array} { c } - 5 x + 2 z = - 26 \\7 x + 9 y + 4 z = 113 \\- 9 x - 6 y \quad = - 96\end{array}$$

• A) \(\{ ( 7,2,7 ) \}\)
• B) \(( \{ 7,5,2 ) \}\)
• C) \(\{ ( 6,7,2 ) \}\)
• D) \(\{ ( 6 , - 7 , - 2 ) \}\)

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