Question

Write the standard form of the equation of the circle that passes through the point (0, 1) with its center at the origin.
A.x2 + y2 = -1
B.x2 + y2 = 1
C.x2 + (y - 1)2 = 1
D.x2 + (y = 1)2 = 1

Answer 1

the radius would be one, so B.x2 + y2 = 1