Arturo O. answered 08/18/17
Tutor
5.0
(66)
Experienced Physics Teacher for Physics Tutoring
Expand and simplify. I assume the term on the right is (1/2)2, not 1/(22), and you have a circle of radius 1/2 centered at (1/2, 0).
(x - 1/2)2 + (y - 0)2 = (1/2)2
(x2 - x + 1/4) + (y2) = 1/4
x2 + y2 - x = 0