Question

What is the equation of a circle with center (1, -4) and radius 2?

Answer 1

(x-1)^2 + (y+4)^2 = 4

Explanation:

The equation for a circle is given by

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

(x-1)^2 + (y- -4)^2 = 2^2

(x-1)^2 + (y+4)^2 = 4