A parabola has the origin as its focus and the line 
as the directrix. Then the vertex of the parabola is at
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Vertex of a parabola is the mid-point of focus and the point
where directrix meets the axis of the parabola.
Here focus is 
and directxix meets the axis at 
Vertex of the parabola is 
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