How bout one more of mixed number last ones

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Which graph represents the equation y =4x

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.