Determine if the given ordered triple is a solution of the system.
-$$\begin{array} { c }
( - 3 , - 2,5 ) \
x + 3 y + 4 z = - 13 \
2 y + 5 z = - 19 \
z = - 3
\end{array}$$
A) solution
B) not a solution

Question

Determine if the given ordered triple is a solution of the system.
-$$\begin{array} { c } 
( - 3 , - 2,5 ) \
x + 3 y + 4 z = - 13 \
2 y + 5 z = - 19 \
z = - 3
\end{array}$$
A) solution
B) not a solution

Quizplus · Accepted Answer

Substituting $ z = 5 $ into the third equation $ z = -3 $ shows a contradiction, so the ordered triple is not a solution.

Determine If the Given Ordered Triple Is a Solution of the System