Simplify Complex Rational Expressions
-$$\begin{array} { r }
9 x + 5 z = 65 \
3 y + 6 z = 27 \
2 x + 8 y + 6 z = 42
\end{array}$$
A)
$\left[ \begin{array} { l l l | l } 9 & 0 & 5 & 65 \ 0 & 3 & 6 & 27 \ 2 & 8 & 6 & 42 \end{array} \right]$

B)

$\left[ \begin{array} { l l | l | l } 9 & 0 & 2 & 65 \ 0 & 3 & 8 & 27 \ 5 & 6 & 6 & 42 \end{array} \right]$
C)
$\left[\begin{array}{lll|l}
9 & 5 & 0 & 65 \
3 & 6 & 0 & 27 \
2 & 8 & 6 & 42
\end{array}\right]$
D)
$\left[\begin{array}{lll}
9 & 0 & 5 \
0 & 3 & 6 \
2 & 8 & 6
\end{array}\right]$

Question

Simplify Complex Rational Expressions
-$$\begin{array} { r } 
9 x + 5 z = 65 \
3 y + 6 z = 27 \
2 x + 8 y + 6 z = 42
\end{array}$$
A)
$\left[ \begin{array} { l l l | l } 9 & 0 & 5 & 65 \ 0 & 3 & 6 & 27 \ 2 & 8 & 6 & 42 \end{array} \right]$

B)

$\left[ \begin{array} { l l | l | l } 9 & 0 & 2 & 65 \ 0 & 3 & 8 & 27 \ 5 & 6 & 6 & 42 \end{array} \right]$
C)
$\left[\begin{array}{lll|l}
9 & 5 & 0 & 65 \
3 & 6 & 0 & 27 \
2 & 8 & 6 & 42
\end{array}\right]$
D)
$\left[\begin{array}{lll}
9 & 0 & 5 \
0 & 3 & 6 \
2 & 8 & 6
\end{array}\right]$

Quizplus · Accepted Answer

The correct matrix representation of the system of equations aligns with the order of variables and constants in the equations, which is option A.

Simplify Complex Rational Expressions - 9x+5z=653y+6z=272x+8y+6z=42\begin{array} { r } 9 x + 5 z = 65 \\3 y + 6 z = 27 \\2 x + 8 y + 6 z = 42\end{array}9x+5z=653y+6z=272x+8y+6z=42​

Simplify Complex Rational Expressions
- $\begin{array} { r } 9 x + 5 z = 65 \\3 y + 6 z = 27 \\2 x + 8 y + 6 z = 42\end{array}$