review the description of a circle with center at (h,k) and radius r:
(x-h)^2 + (y-k)^2 = r^2
The equation of a circle is (x−4)^2+ (y+2)^2=16.
B) Find the radius of the circle with the given equation.
Can somone give me step by step explanations?
Thank you in advance!
2 answers
Thank you Steve.