Center and radius of a circle

Question

A circle has the equation: (x - 5)^2 + y^2 = 8

What are the center and radius of the circle?

Answer 1

Equation of a circle is

 

(x - h)² + (y - k)² = r²

 

where:

(h, k) is the center point

r is the radius

 

Using this fact, can you figure out the centerpoint and radius?