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Solve Using Cramerʹs Rule 3x1+3x2=92x1+x2=1\begin{array} { l } 3 x _ { 1 } + 3 x _ { 2 } = 9 \\2 x _ { 1 } + x _ { 2 } = 1\end{array}

Question 1

Multiple Choice

Solve using Cramerʹs rule.
- 3x1+3x2=92x1+x2=1\begin{array} { l } 3 x _ { 1 } + 3 x _ { 2 } = 9 \\2 x _ { 1 } + x _ { 2 } = 1\end{array}


A) (2,5) ( 2 , - 5 )
B) (5,2) ( 5 , - 2 )
C) (5,2) ( - 5 , - 2 )
D) (2,5) ( - 2,5 )

Correct Answer:

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