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

Use a graphing calculator to Express solutions with approximations to the nearest thousandth.
- $$\begin{array} { l } x - y + 2 z = 4 \\5 x + z = 0 \\x + 3 y + z = - 12\end{array}$$

A) $\varnothing$
B) $\{ ( 0 , - 4,4 ) \}$
C) $\{ ( 0 , - 4,0 ) \}$
D) $\{ ( 0,0 , - 4 ) \}$

Correct Answer:

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