Question

If the equation of a circle is (x + 5)2 + (y - 7)2 = 36, its radius is

6
16
36

Answer 1

Equation of a circle: \(\large x^2+y^2=r^2\)
where r = radius

Answer 2

EDIT: \(\large (x-h)^2+(x-k)^2=r^2\)

Answer 3

r^2=36 so r= ? @Big_Mensa961