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Geometry 7 Online
OpenStudy (migoblue):

Hi! Wondering if someone could walk me through this problem.. I'm sure I can get it I'm just having trouble figuring out how to square and all of that fun stuff. Using the following equation, find the center and radius of the circle. You must show all work and calculations to receive credit. x2 − 4x + y2 + 8y = −4

OpenStudy (anonymous):

I think the answer is 2

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