Find the Equation of the Circle That Passes Through the Origin

Multiple Choice

Find the equation of the circle that passes through the origin and has its center at (0, 9) .

A) x ² + y ² + 18 x = 0
B) x 2 + y 2 $-$ 18 x $-$ 81 = 0
C) x ² + y ² + 18 y = 0
D) x 2 $-$ 18 x + y 2 = 0
E) x 2 + y 2 $-$ 18 y = 0