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What is the radius of the circle x2+y2–9=0?

 May 14, 2022
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We have the equation: \(x^2 + y^2 - 9 = 0\)

 

Adding 9 to both sides gives us: \(x^2 + y^2 = 9 \), where 9 is the radius squared. 

 

Can you take it from here?

 May 15, 2022

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