+60 Find the standard equation of every cicle that passe through the origin, has radius 5 and is such that the y-coordinate of its center is -4 ?
+36915 There are two,
here is one x=3 y = -4 h,k is then 3,-4
(x-3)^2 + (y+4)^2 = 25 can you find the other one?
