Question

5 1 point In the standard form of a circle (x – h)^2 + (y - k)^2 = r^2, which of the following represents the center of the circle?

A:(h,k)
B:r
C:(x,y)
D:r^2​

Answer 1

Option C with h and k

see screenshot for an example

general formula is

r² = (x - x-center)² + (y - y-center)²