Use Cramer's Rule to Solve the System of Equations $$\begin{array} { l } 6 x - 7 y = 77 \\4 x - 4 y = 48\end{array}$$

question 388

Multiple Choice

Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.
- $$\begin{array} { l } 6 x - 7 y = 77 \\4 x - 4 y = 48\end{array}$$

• A) \(\{ ( 6 , - 4 ) \}\)
• B) \(\{ ( 7 , - 4 ) \}\)
• C) Cramer's rule does not apply since \(\mathrm { D } = 0 ; \varnothing\)
• D) \(\{ ( 7 , - 5 ) \}\)

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