Question 440914
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Hi
Finding the center and radius of the circle: y^2=25-x^2
Standard Form of an Equation of a Circle is {{{(x-h)^2 + (y-k)^2 = r^2}}}
where Pt(h,k) is the center and r is the radius
 y^2=25-x^2
 x^2 + y^2 = 25  Center (0,0) aand r = 5