Use a Graphing Calculator to Express Solutions with Approximations to the Nearest

question 189

Multiple Choice

Use a graphing calculator to Express solutions with approximations to the nearest thousandth.
- $$\begin{array} { l } 2 x - y - 5 z = - 14 \\- 2 x + 4 y + 4 z = 16 \\- 8 x - 4 y + z = - 36\end{array}$$

• A) \(\{ ( 4,4,2 ) \}\)
• B) \(\{ ( - 4,2,8 ) \}\)
• C) \(\varnothing\)
• D) \(\{ ( 4,2,4 ) \}\)

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