Use a Graphing Calculator to Solve the System of Equations $$\begin{array}{l}1.5 x-0.4 y+1.6 z=2.4 \\4.5 x-7.0 y-0.4 z=-4.0 \\3.8 x+2.4 y+2.0 z=8.6\end{array}$$

question 55

Multiple Choice

Use a graphing calculator to solve the system of equations. Round your solution to one decimal place. $$\begin{array}{l}1.5 x-0.4 y+1.6 z=2.4 \\4.5 x-7.0 y-0.4 z=-4.0 \\3.8 x+2.4 y+2.0 z=8.6\end{array}$$

• A) \( (0.8,0.9,0.6) \)
• B) \( (1.1,1.2,0.8) \)
• C) \( (0.5,0.6,0.4) \)
• D) \( (0.3,0.3,0.2) \)

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