If the vertex of a parabola is the point...

If the vertex of a parabola is the point `(-3,0)` and the directrix is the line `x+5=0` , then find its equation.

A

`y^2=8(x+3)`

B

`x^2=8(y+3)`

C

`y^2= -8(x+3)`

D

`y^2=8(x+5)`

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The correct Answer is:

A

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