Write the System of Equations Associated with the Augmented Matrix $\left[ \begin{array} { r r r | r } 1 & 0 & 0 & 4 \\ 0 & 1 & 0 & - 8 \\ 0 & 0 & 1 & 2 \end{array} \right]$

Multiple Choice

Write the system of equations associated with the augmented matrix. Do not solve.
- $\left[ \begin{array} { r r r | r } 1 & 0 & 0 & 4 \\ 0 & 1 & 0 & - 8 \\ 0 & 0 & 1 & 2 \end{array} \right]$

A) $x = - 4$
$\mathrm { y } = 8$
$\mathrm { z } = - 2$

B) $x = 0$
$y = - 4$
$z = 6$

C) $x = 2$
$y = - 10$
$z = 0$

D) $x = 4$
$y = - 8$
$z = 2$