Question

Center (7, 5), radius = 4

Answer 1

The formula for a circle with center (h,k) and radius 4 is

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

Answer 2

hi :)

I suppose you're asking for the equation of a circle

(x - j)^2 + (y - k)^2 = radius^2

there it is!

Answer 3

Oh, aravindg said it first!

Answer 4

but it should have been radius 'r' :)