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Find the center and radius of the circle x^2 + y^2 –6y – 16 = 0

 Jul 19, 2020
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(x-0)^2    + y^2 - 6y   = 16                       complete the square on x and y

(x-0)^2         + (y-3)^2    = 16+9              does that help?

                                                  Do you remember the standard form of a circle equation?

 Jul 19, 2020

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