Determine Whether the System Corresponding to the Given Augmented Matrix $$\left[ \begin{array} { r r r | r } 1 & 0 & 0 & 0 \\0 & 1 & 0 & 0 \\0 & 0 & 0 & - 4\end{array} \right]$$

Multiple Choice

Determine whether the system corresponding to the given augmented matrix is dependent or inconsistent. If it is
dependent, give the solution.
- $$\left[ \begin{array} { r r r | r } 1 & 0 & 0 & 0 \\0 & 1 & 0 & 0 \\0 & 0 & 0 & - 4\end{array} \right]$$

A) inconsistent
B) dependent; z = -4
C) dependent; (0, -4)
D) dependent; (0, 0)