Determine and state the coordinates of the center and length of the radius of a circle whose equation is
x^{2} + y ^{2} - 6x = 56 - 8y
Please explain how to do this.

Answers

First, rewrite the equation in standard form. The center-radius form of the circle equation is in the format: (x – h)^ 2 + (y – k)^ 2 = r^ 2 with the center being at the  point (h, k) and the radius being "r". (x-3)^2 + (y+4)^2 = 81 From here, you can determine the center and radius. The center is at (3,-4) and the radius is 9.


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