Question

What is the standard form of the equation of the circle with the given center (-6,8) and radius r=10

Answer 1

(x+6)^2 + (y-8)^2 = 10^2

or

(x+6)^2 + (y-8)^2 = 100

Explanation:

Equation of a circle in standard form: (x-h)^2 + (y-k)^2 = r^2

(h,k) represent the center of the circle

h = -6

k = 8

r = the length of the radius

10^2 = 100