Solve the System by Using the Inverse of the Coefficient $$\begin{array} { l } 2 x _ { 1 } + 6 x _ { 2 } = 2 \\2 x _ { 1 } - x _ { 2 } = - 5\end{array}$$

question 10

Multiple Choice

Solve the system by using the inverse of the coefficient matrix.
- $$\begin{array} { l } 2 x _ { 1 } + 6 x _ { 2 } = 2 \\2 x _ { 1 } - x _ { 2 } = - 5\end{array}$$

• A) \(( 1 , - 2 )\)
• B) \(( - 1,2 )\)
• C) \(( - 2,1 )\)
• D) \(( 2 , - 1 )\)

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