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Which Method Should Be Used to Solve the System? Explain 8x2y2=165x2+7y2=64\begin{array} { r } - 8 x ^ { 2 } - y ^ { 2 } = 16 \\- 5 x ^ { 2 } + 7 y ^ { 2 } = 64\end{array}

Question 68

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Which method should be used to solve the system? Explain your answer, including a description of the first step.
- 8x2y2=165x2+7y2=64\begin{array} { r } - 8 x ^ { 2 } - y ^ { 2 } = 16 \\- 5 x ^ { 2 } + 7 y ^ { 2 } = 64\end{array}

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Either method may be used. Elimination m...

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