Write the augmented matrix associated with the system.
-$\left\{ \begin{array} { c } - 2 x + 2 y + 7 z = 57 \ 8 x - 2 y - 2 z = - 34 \ - 2 x + 7 y + 9 z = 81 \end{array} \right.$
A)
$\left[ \begin{array} { r r r | r } - 2 & 2 & 7 & 57 \ 8 & - 2 & - 2 & - 34 \ - 2 & 7 & 9 & 81 \end{array} \right]$
B)
$\left[ \begin{array} { r r r } - 2 & 2 & 7 \ 8 & - 2 & - 2 \ - 2 & 7 & 9 \end{array} \right]$
C)
$\left[ \begin{array} { r r r | r } 57 & 7 & - 2 & - 2 \ - 34 & - 2 & - 2 & 8 \ 81 & 9 & 7 & - 2 \end{array} \right]$

D)

$\left[ \begin{array} { r r r | r } - 2 & 8 & - 2 & 57 \ 2 & - 2 & 7 & - 34 \ 7 & - 2 & 9 & 81 \end{array} \right]$

Question

Write the augmented matrix associated with the system.
-$\left\{ \begin{array} { c } - 2 x + 2 y + 7 z = 57 \ 8 x - 2 y - 2 z = - 34 \ - 2 x + 7 y + 9 z = 81 \end{array} \right.$
A)
$\left[ \begin{array} { r r r | r } - 2 & 2 & 7 & 57 \ 8 & - 2 & - 2 & - 34 \ - 2 & 7 & 9 & 81 \end{array} \right]$
B)
$\left[ \begin{array} { r r r } - 2 & 2 & 7 \ 8 & - 2 & - 2 \ - 2 & 7 & 9 \end{array} \right]$
C)
$\left[ \begin{array} { r r r | r } 57 & 7 & - 2 & - 2 \ - 34 & - 2 & - 2 & 8 \ 81 & 9 & 7 & - 2 \end{array} \right]$

D)

$\left[ \begin{array} { r r r | r } - 2 & 8 & - 2 & 57 \ 2 & - 2 & 7 & - 34 \ 7 & - 2 & 9 & 81 \end{array} \right]$

Quizplus · Accepted Answer

The augmented matrix correctly represents the system of equations with the coefficients of $x$, $y$, and $z$ in the first three columns and the constants on the right side of the equation in the fourth column, separated by a line.

Write the Augmented Matrix Associated with the System {−2x+2y+7z=578x−2y−2z=−34−2x+7y+9z=81\left\{ \begin{array} { c } - 2 x + 2 y + 7 z = 57 \\ 8 x - 2 y - 2 z = - 34 \\ - 2 x + 7 y + 9 z = 81 \end{array} \right.⎩⎨⎧​−2x+2y+7z=578x−2y−2z=−34−2x+7y+9z=81​

Write the Augmented Matrix Associated with the System $\left\{ \begin{array} { c } - 2 x + 2 y + 7 z = 57 \\ 8 x - 2 y - 2 z = - 34 \\ - 2 x + 7 y + 9 z = 81 \end{array} \right.$