Use Cramerʹs Rule to Solve the System of Equations $$\begin{array} { r } x - y + 5 z = 17 \\4 x + z = 4 \\x + 5 y + z = 19\end{array}$$

question 469

Multiple Choice

Use Cramerʹs rule to solve the system of equations. If D = 0, use another method to determine the solution set.
- $$\begin{array} { r } x - y + 5 z = 17 \\4 x + z = 4 \\x + 5 y + z = 19\end{array}$$

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

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