SOLUTION: The equation of a circle is (x−4)^2+ (y+2)^2=16. A) Find the center of the circle with the given equation. B) Find the radius of the circle with the given equation. Ca

Algebra ->  Circles -> SOLUTION: The equation of a circle is (x−4)^2+ (y+2)^2=16. A) Find the center of the circle with the given equation. B) Find the radius of the circle with the given equation. Ca      Log On


   

Question 872340: The equation of a circle is (x−4)^2+ (y+2)^2=16.
A) Find the center of the circle with the given equation.
B) Find the radius of the circle with the given equation.
Can someone give me explanations on how they got the answers instead of just giving me the answers please?
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
The equation is in standard form, so you can read the center point and the radius from the equation. Use them to draw your graph.

%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2 is the standard form for a circle.
Center is (h,k) and radius size is r.