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

question 102

Multiple Choice

Use a graphing calculator to Express solutions with approximations to the nearest thousandth.
- $$\begin{array} { l } x - y + 4 z = 7 \\3 x + z = 3 \\x + 5 y + z = 28\end{array}$$

• A) \(\{ ( 3,5,0 ) \}\)
• B) \(\varnothing\)
• C) \(\{ ( 3,0,5 ) \}\)
• D) \(\{ ( 0,5,3 ) \}\)

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