What is the equation of the circle with a center of (5, -2) and a radius of 8?

Hello :
an equation of the circle Center at the A(a,b) and ridus : r is :
(x-a)² +(y-b)² = r²
in this exercice : a = 5  and  b= -2    r = 8
secod answer : (x-5)² +(y+2)² = 64

We need more info then that