Use a Graphing Calculator and the Method of Matrix Inverses $$x - \sqrt { 2 } y = 3.7$$

question 449

Multiple Choice

Use a graphing calculator and the method of matrix inverses to solve the system. Give five decimal places, if necessary.
- $$x - \sqrt { 2 } y = 3.7$$
$2.85 x + y = - 8.23$

• A) \(\{ ( 3.43297,0.18882 ) \}\)
• B) \(\{ ( 2.61630 , - 2.88772 ) \}\)
• C) \(\{ ( 0,0 ) \}\)
• D) \(\{ ( - 1.57817 , - 3.73223 ) \}\)

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