Find the center and the radius of the circle then graph X^2+y^2-2x-10y+20=0 center() Radius()
问题描述:
Find the center and the radius of the circle then graph X^2+y^2-2x-10y+20=0 center() Radius()
答
(x-1)^2+(y-5)^2=6
center(1,5)
radius=根号6