Use matrices to solve the system of equations (if possible).Use Gaussian elimination with back-substitution or Gauss-Jordan elimination. $$\left\{ \begin{array} { c }
4 x + 9 y + z = - 17 \
6 x - 6 y - 8 z = 12 \
9 x + 8 y + z = - 43
\end{array} \right.$$
A)x = 5,y = -1,z = -6
B)x = -5,y = -1,z = -6
C)x = -5,y = 1,z = -6
D)x = 1,y = 5,z = 6
E)no solution

Question

Use matrices to solve the system of equations (if possible).Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.​ $$\left\{ \begin{array} { c } 
4 x + 9 y + z = - 17 \
6 x - 6 y - 8 z = 12 \
9 x + 8 y + z = - 43
\end{array} \right.$$
A)x = 5,y = -1,z = -6
B)x = -5,y = -1,z = -6
C)x = -5,y = 1,z = -6
D)x = 1,y = 5,z = 6
E)no solution

Quizplus · Accepted Answer

The Answer of Use matrices to solve the system of equations (if possible).Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.​ $$\left\{ \begin{array} { c } 
4 x + 9 y + z = - 17 \
6 x - 6 y - 8 z = 12 \
9 x + 8 y + z = - 43
\end{array} \right.$$
A)x = 5,y = -1,z = -6
B)x = -5,y = -1,z = -6
C)x = -5,y = 1,z = -6
D)x = 1,y = 5,z = 6
E)no solution

Use Matrices to Solve the System of Equations (If Possible) {4x+9y+z=−176x−6y−8z=129x+8y+z=−43\left\{ \begin{array} { c } 4 x + 9 y + z = - 17 \\6 x - 6 y - 8 z = 12 \\9 x + 8 y + z = - 43\end{array} \right.⎩⎨⎧​4x+9y+z=−176x−6y−8z=129x+8y+z=−43​

Use Matrices to Solve the System of Equations (If Possible) $\left\{ \begin{array} { c } 4 x + 9 y + z = - 17 \\6 x - 6 y - 8 z = 12 \\9 x + 8 y + z = - 43\end{array} \right.$