# Find the Radius and Center of a Circle by Completing the Square

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Complete the square to determine the radius and center of the circle.

x^2+y^2+2x-8y+12=0 and sketch its graph.

https://brainmass.com/math/calculus-and-analysis/radius-center-circle-completing-square-34080

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The radius and center of a circle are found using completing the square. The solution is detailed and well presented. The response received a rating of "5" from the student who originally posted the question.

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