Solve for x in the matrix below by using elementary row operations to form a row-equivalent matrix.
$\left[ \begin{array} { c c c c }
6 & 3 & - 2 & 0 \
- 2 & - 3 & - 3 & - 9 \
4 & 0 & - 3 & 8
\end{array} \right]$
$\left[ \begin{array} { c c c c }
6 & 3 & - 2 & 0 \
- 2 & - 3 & - 3 & - 9 \
- 2 & - 3 & x & y
\end{array} \right]$
A) -6
B) -1
C) -15
D) 15
E) 10

Question

Solve for x in the matrix below by using elementary row operations to form a row-equivalent matrix. 
$\left[ \begin{array} { c c c c } 
6 & 3 & - 2 & 0 \
- 2 & - 3 & - 3 & - 9 \
4 & 0 & - 3 & 8
\end{array} \right]$ 
$\left[ \begin{array} { c c c c } 
6 & 3 & - 2 & 0 \
- 2 & - 3 & - 3 & - 9 \
- 2 & - 3 & x & y
\end{array} \right]$
A) -6
B) -1
C) -15
D) 15
E) 10

Quizplus · Accepted Answer

The Answer of Solve for x in the matrix below by using elementary row operations to form a row-equivalent matrix. 
$\left[ \begin{array} { c c c c } 
6 & 3 & - 2 & 0 \
- 2 & - 3 & - 3 & - 9 \
4 & 0 & - 3 & 8
\end{array} \right]$ 
$\left[ \begin{array} { c c c c } 
6 & 3 & - 2 & 0 \
- 2 & - 3 & - 3 & - 9 \
- 2 & - 3 & x & y
\end{array} \right]$
A) -6
B) -1
C) -15
D) 15
E) 10

Solve for X in the Matrix Below by Using Elementary [63−20−2−3−3−940−38]\left[ \begin{array} { c c c c } 6 & 3 & - 2 & 0 \\- 2 & - 3 & - 3 & - 9 \\4 & 0 & - 3 & 8\end{array} \right]​6−24​3−30​−2−3−3​0−98​​

Solve for X in the Matrix Below by Using Elementary $\left[ \begin{array} { c c c c } 6 & 3 & - 2 & 0 \\- 2 & - 3 & - 3 & - 9 \\4 & 0 & - 3 & 8\end{array} \right]$