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Write the Word or Phrase That Best Completes Each Statement −3x2−y2=4−10x2+3y2=64\begin{aligned}- 3 x ^ { 2 } - y ^ { 2 } & = 4 \\- 10 x ^ { 2 } + 3 y ^ { 2 } & = 64\end{aligned}

Question 91

Essay

Write the word or phrase that best completes each statement or answers the question.
Which method should be used to solve the system? Explain your answer, including a description of the first step.
- −3x2−y2=4−10x2+3y2=64\begin{aligned}- 3 x ^ { 2 } - y ^ { 2 } & = 4 \\- 10 x ^ { 2 } + 3 y ^ { 2 } & = 64\end{aligned}

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Either method may be used. Elimination m...

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