Use a Graphing Calculator to Approximate the Solutions of the System

question 8

Multiple Choice

Use a graphing calculator to approximate the solutions of the system. $$\left\{ \begin{array} { c } 4.2 x + 7.1 y = 39.35 \\- 5 x + 4 y = 6.7\end{array} \right.$$

• A) \(\quad ( 4.3,2.1 )\)
• B) \(\quad ( - 2.1 , - 4.3 )\)
• C) \(\quad ( - 2.2,7.4 )\)
• D) \(\quad ( 6.4 , - 1.2 )\)
• E) \(\quad ( 2.1,4.3 )\)

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