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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. {4.2x+7.1y=39.355x+4y=6.7\left\{ \begin{array} { c } 4.2 x + 7.1 y = 39.35 \\- 5 x + 4 y = 6.7\end{array} \right.


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

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