Use Cramerʹs Rule to Solve the System of Equations $$\begin{array} { l } x + y = - 4 \\x + y = - 2\end{array}$$

question 143

Multiple Choice

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

• A) Cramer's rule does not apply since \(D = 0 ; \{ ( - 2 - y , y ) \}\)
• B) \(\{ ( 0 , - 6 ) \}\)
• C) Cramer's rule does not apply since \(\mathrm { D } = 0\);
• D) \(\{ ( - 4 , - 2 ) \}\)

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