Solve, Using the Substitution Method, and Check $\begin{array} { c } 9 x - y = 11 \\y = - x\end{array}$

question 61

Multiple Choice

Solve, using the substitution method, and check. $\begin{array} { c } 9 x - y = 11 \\y = - x\end{array}$

• A) \(\left( - \frac { 11 } { 10 } , \frac { 11 } { 10 } \right)\)
• B) \(\left( \frac { 11 } { 10 } , - \frac { 11 } { 10 } \right)\)
• C) \(\left( - \frac { 10 } { 11 } , \frac { 10 } { 11 } \right)\)
• D) \(\left( \frac { 10 } { 11 } , - \frac { 10 } { 11 } \right)\)
• E) \(\left( - \frac { 11 } { 10 } , - \frac { 11 } { 10 } \right)\)