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Solve the System {x2+y2=89x2−y2=−39\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 89 \\x ^ { 2 } - y ^ { 2 } = - 39\end{array} \right.

Question 89

Multiple Choice

Solve the system.
- {x2+y2=89x2−y2=−39\left\{ \begin{array} { l } x ^ { 2 } + y ^ { 2 } = 89 \\x ^ { 2 } - y ^ { 2 } = - 39\end{array} \right.


A) (−5,−8) ,(−8,−5) ( - 5 , - 8 ) , ( - 8 , - 5 )
B) (5,−8) ,(5,8) ( 5 , - 8 ) , ( 5,8 )
C) (5,8) ,(8,5) ,(−5,−8) ,(−8,−5) ( 5,8 ) , ( 8,5 ) , ( - 5 , - 8 ) , ( - 8 , - 5 )
D) (5,8) ,(−5,8) ,(5,−8) ,(−5,−8) ( 5,8 ) , ( - 5,8 ) , ( 5 , - 8 ) , ( - 5 , - 8 )

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