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OpenStudy (anonymous):
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 - 6y = -4 (8 points)
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OpenStudy (anonymous):
you have to use complete the square for x and y values so x2 +4x +4 +y2 -6y +9 = -4 +9 + 4 then just simplify and you'll have your centre points and radius
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