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What is the radius of a circle given by the equation x2 + y2 – 2x + 8y – 47= 0?

What is the radius of a circle given by the equation x2 + y2 – 2x + 8y – 47= 0?
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What is the radius of a circle given by the equation x2 + y2 – 2x + 8y – 47= 0?

User Laserany
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1 Answer

6 votes

Answer:

8

Explanation:

User GoTop
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