Use a matrix approach to solve the system. $$\left( \begin{array} { r }
x_{1}&+&3 x_{2}&-&x_{3}&+&2 x_{4} & =&-6 \
2 x_{1}&+&4 x_{2}&+&2 x_{3}&-&x_{4} & =&-5 \
-3 x_{1}&-&5 x_{2}&+&3 x_{3}&+&x_{4} & =&7 \
4 x_{1}&+&7 x_{2}&-&2 x_{3}&-&3 x_{4} & =&-8
\end{array} \right)$$ If a system is inconsistent, so indicate. In those cases enter inconsistent . Otherwise, enter your answer in the form ( x , y ).

Question

Use a matrix approach to solve the system. $$\left( \begin{array} { r } 
x_{1}&+&3 x_{2}&-&x_{3}&+&2 x_{4} & =&-6 \
2 x_{1}&+&4 x_{2}&+&2 x_{3}&-&x_{4} & =&-5 \
-3 x_{1}&-&5 x_{2}&+&3 x_{3}&+&x_{4} & =&7 \
4 x_{1}&+&7 x_{2}&-&2 x_{3}&-&3 x_{4} & =&-8
\end{array} \right)$$ If a system is inconsistent, so indicate. In those cases enter inconsistent . Otherwise, enter your answer in the form ( x , y ).

Quizplus · Accepted Answer

The Answer of Use a matrix approach to solve the system. $$\left( \begin{array} { r } 
x_{1}&+&3 x_{2}&-&x_{3}&+&2 x_{4} & =&-6 \
2 x_{1}&+&4 x_{2}&+&2 x_{3}&-&x_{4} & =&-5 \
-3 x_{1}&-&5 x_{2}&+&3 x_{3}&+&x_{4} & =&7 \
4 x_{1}&+&7 x_{2}&-&2 x_{3}&-&3 x_{4} & =&-8
\end{array} \right)$$ If a system is inconsistent, so indicate. In those cases enter inconsistent . Otherwise, enter your answer in the form ( x , y ).

Use a Matrix Approach to Solve the System If a System Is Inconsistent, So Indicate