LoveToDance22
What is the equation of this circle?



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LoveToDance22
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LogicalApple
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Can you identify its center based on the image ?

LoveToDance22
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(0,1) ?

RaphaelFilgueiras
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dw:1356930702438:dw

LogicalApple
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And can you identify the radius of the circle ?

LoveToDance22
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is it 2?

LogicalApple
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It looks like it. And @RaphaelFilgueiras provided the general equation of a circle.

LoveToDance22
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Is the equation x^2 + (y + 1)^2 = 2 ?

LogicalApple
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Close but remember that in the form: (x  x0)^2 + (y  y0)^2, the point (x0, y0) is the center. So you would reverse the sign of (y + 1) to (y  1)

LoveToDance22
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Kk, thanks!