Solve the system by the method of substitution. $$\left\{ \begin{aligned}
x - y & = - 8 \
x ^ { 2 } - y & = - 21
\end{aligned} \right.$$
A) $\left( \frac { 25 } { 3 } , - \frac { 38 } { 3 } \right)$
B) $\left( - \frac { 25 } { 3 } , - \frac { 38 } { 3 } \right)$
C) $\left( - \frac { 25 } { 3 } , \frac { 38 } { 3 } \right)$
D)No solution
E) $\left( \frac { 25 } { 3 } , \frac { 38 } { 3 } \right)$

Question

Solve the system by the method of substitution.​ $$\left\{ \begin{aligned}
x - y & = - 8 \
x ^ { 2 } - y & = - 21
\end{aligned} \right.$$ ​
A) $\left( \frac { 25 } { 3 } , - \frac { 38 } { 3 } \right)$
B) $\left( - \frac { 25 } { 3 } , - \frac { 38 } { 3 } \right)$
C) $\left( - \frac { 25 } { 3 } , \frac { 38 } { 3 } \right)$
D)No solution
E) $\left( \frac { 25 } { 3 } , \frac { 38 } { 3 } \right)$

Quizplus · Accepted Answer

The Answer of Solve the system by the method of substitution.​ $$\left\{ \begin{aligned}
x - y & = - 8 \
x ^ { 2 } - y & = - 21
\end{aligned} \right.$$ ​
A) $\left( \frac { 25 } { 3 } , - \frac { 38 } { 3 } \right)$
B) $\left( - \frac { 25 } { 3 } , - \frac { 38 } { 3 } \right)$
C) $\left( - \frac { 25 } { 3 } , \frac { 38 } { 3 } \right)$
D)No solution
E) $\left( \frac { 25 } { 3 } , \frac { 38 } { 3 } \right)$

Solve the System by the Method of Substitution {x−y=−8x2−y=−21\left\{ \begin{aligned}x - y & = - 8 \\x ^ { 2 } - y & = - 21\end{aligned} \right.{x−yx2−y​=−8=−21​

Solve the System by the Method of Substitution $\left\{ \begin{aligned}x - y & = - 8 \\x ^ { 2 } - y & = - 21\end{aligned} \right.$