Question

What is the equation of the circle with a Center of (0,9) and a Radius of 7

Answer 1

Equation of Circle:

Center(h,k) radius(r)

(x-h)^2 + (y-k)^2 = r^2


#14
C(0,0) r = 2

(x-0)^2 + (y-0)^2 = 2^2
x^2 + y^2 = 4


#15
C(2,0) r = 3

(x-2)^2 + (y-0)^2 = 3^2
(x-)^2 + y^2 = 9


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