Solve the system using determinants.
-$$\begin{array} { l }
- 3 x - 8 y + 8 z = 55 \
- 3 x + 4 y - 2 z = - 23 \
7 x - 2 y - 2 z = 1
\end{array}$$
A)(3, -1, -9)
B)(3, 1, 9)
C)(4, -1, 9)
D)(1, 9, 1)

Question

Solve the system using determinants.
-$$\begin{array} { l } 
- 3 x - 8 y + 8 z = 55 \
- 3 x + 4 y - 2 z = - 23 \
7 x - 2 y - 2 z = 1
\end{array}$$
A)(3, -1, -9)
B)(3, 1, 9)
C)(4, -1, 9)
D)(1, 9, 1)

Quizplus · Accepted Answer

The Answer of Solve the system using determinants.
-$$\begin{array} { l } 
- 3 x - 8 y + 8 z = 55 \
- 3 x + 4 y - 2 z = - 23 \
7 x - 2 y - 2 z = 1
\end{array}$$
A)(3, -1, -9)
B)(3, 1, 9)
C)(4, -1, 9)
D)(1, 9, 1)

Solve the System Using Determinants −3x−8y+8z=55−3x+4y−2z=−237x−2y−2z=1\begin{array} { l } - 3 x - 8 y + 8 z = 55 \\- 3 x + 4 y - 2 z = - 23 \\7 x - 2 y - 2 z = 1\end{array}−3x−8y+8z=55−3x+4y−2z=−237x−2y−2z=1​

Solve the System Using Determinants $\begin{array} { l } - 3 x - 8 y + 8 z = 55 \\- 3 x + 4 y - 2 z = - 23 \\7 x - 2 y - 2 z = 1\end{array}$