Inconsistent and Dependent Systems and Their Applications
1 Apply Gaussian $$\begin{aligned}4 x - y + 3 z & = 12 \\x + 4 y + 6 z & = - 32 \\5 x + 3 y + 9 z & = 20\end{aligned}$$

Multiple Choice

Inconsistent and Dependent Systems and Their Applications
1 Apply Gaussian Elimination to Systems Without Unique Solutions
- $$\begin{aligned}4 x - y + 3 z & = 12 \\x + 4 y + 6 z & = - 32 \\5 x + 3 y + 9 z & = 20\end{aligned}$$

A) $\varnothing$
B) $\{ ( 2 , - 7 , - 1 ) \}$
C) $\{ ( 8 , - 7 , - 2 ) \}$
D) $\{ ( - 8 , - 7,9 ) \}$