Which of the following ordered triples is a solution of the system $\left\{ \begin{array} { l }
x - 2 y + 3 z = 21 \
3 x - 6 y - z = 13 \
5 x - 2 y + z = 19
\end{array} \right.$ ?
A) $\left( 2 , - 2 , \frac { 1 } { 9 } \right)$
B) $\left( 2 , - \frac { 13 } { 8 } , 2 \right)$
C) $( 2 , - 11 , - 2 )$
D) $( 2 , - 2,5 )$

Question

Which of the following ordered triples is a solution of the system $\left\{ \begin{array} { l } 
x - 2 y + 3 z = 21 \
3 x - 6 y - z = 13 \
5 x - 2 y + z = 19
\end{array} \right.$ ?
A) $\left( 2 , - 2 , \frac { 1 } { 9 } \right)$
B) $\left( 2 , - \frac { 13 } { 8 } , 2 \right)$
C) $( 2 , - 11 , - 2 )$
D) $( 2 , - 2,5 )$

Quizplus · Accepted Answer

The Answer of Which of the following ordered triples is a solution of the system $\left\{ \begin{array} { l } 
x - 2 y + 3 z = 21 \
3 x - 6 y - z = 13 \
5 x - 2 y + z = 19
\end{array} \right.$ ?
A) $\left( 2 , - 2 , \frac { 1 } { 9 } \right)$
B) $\left( 2 , - \frac { 13 } { 8 } , 2 \right)$
C) $( 2 , - 11 , - 2 )$
D) $( 2 , - 2,5 )$

Which of the Following Ordered Triples Is a Solution of the System