If the circle x 2 y 2 4x 8y 5 0 July 8, 2019 16 32 64 128 The equation of a circle in the xy plane is shown above If the equation of a circle is (x-2)^2+(y-6)^2=4 . yc xy 4 ds c is the right half of the circle x 2 1 y 2 − 16
