Which of the following circles have their centers on the y-axis?

A. (x - 0)^2 + (y - 0)^2 = 44
B. (x + 1)^2 + (y - 7)^2 = 16
C. (x - 4)^2 + (y - 0)^2 = 22
D. (x - 0)^2 + (y + 5)^2 = 74
?????

Question

Which of the following circles have their centers on the y-axis? 

 		A.	(x - 0)^2 + (y - 0)^2 = 44
 		B.	(x + 1)^2 + (y - 7)^2 = 16
 		C.	(x - 4)^2 + (y - 0)^2 = 22
 		D.	(x - 0)^2 + (y + 5)^2 = 74
?????

a_clan · Answer

equation of Y-axis is X=0.
Compare with this equation

anonymous · Answer

Any of them for which the x-coordinate of the center is 0, using the form we talked about before.

anonymous · Answer

A&D???

anonymous · Answer

Yeah