Question

Which equation represents a circle with a radius of 8 centered at (-3,4)

Answer 1

(x+3)^2 + (y-4)^2 = 64

Explanation:

We can write the equation of a circle as

(x-h)^2 + (y-k)^2 = r^2 where ( h-k) is the center and r is the radius

(x--3)^2 + (y-4)^2 = 8^2

(x+3)^2 + (y-4)^2 = 64