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

question 47

Multiple Choice

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) \(\left( \frac { 25 } { 3 } , \frac { 38 } { 3 } \right)\)

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