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OpenStudy (anonymous):
What is the standard form of the equation of a circle with its center at (2, -3) and passing through the point (-2, 0)?
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OpenStudy (mrnood):
a circle of radius r with centre at (a,b) has equation \[(x-a)^{2} + (y-b)^{2} = r ^{2}\] you need to work out the radius (using Pythagoras) then put the numbers into the above equation: |dw:1434556051349:dw|
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