Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.
$\begin{array} { c }
- 3 x - 7 y - 6 z = - 65 \
5 x + 9 y - 5 z = 43 \
9 x - 9 y + 8 z = 95
\end{array}$
A) {(9,-2,-4)}
B) {(9,2,4)}
C) {(10,0,4)}
D) {(2,4,2)}

Question

Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.
$\begin{array} { c } 
- 3 x - 7 y - 6 z = - 65 \
5 x + 9 y - 5 z = 43 \
9 x - 9 y + 8 z = 95
\end{array}$
A) {(9,-2,-4)} 
B) {(9,2,4)} 
C) {(10,0,4)} 
D) {(2,4,2)}

Quizplus · Accepted Answer

The Answer of Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.
$\begin{array} { c } 
- 3 x - 7 y - 6 z = - 65 \
5 x + 9 y - 5 z = 43 \
9 x - 9 y + 8 z = 95
\end{array}$
A) {(9,-2,-4)} 
B) {(9,2,4)} 
C) {(10,0,4)} 
D) {(2,4,2)}

Use Cramer's Rule to Solve the System of Equations −3x−7y−6z=−655x+9y−5z=439x−9y+8z=95\begin{array} { c } - 3 x - 7 y - 6 z = - 65 \\5 x + 9 y - 5 z = 43 \\9 x - 9 y + 8 z = 95\end{array}−3x−7y−6z=−655x+9y−5z=439x−9y+8z=95​

Use Cramer's Rule to Solve the System of Equations $\begin{array} { c } - 3 x - 7 y - 6 z = - 65 \\5 x + 9 y - 5 z = 43 \\9 x - 9 y + 8 z = 95\end{array}$