x^2 + y^2 = r^2
r is radius
I'm having trouble with this problem because I'm not sure what to do with the 1..
21. (x-5)^2+(y+2)^2=1
(x-(5))^2+(y+2)^2= ????
center= (5,2)
radius= ???
2 answers
center is (5,-2)