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

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
A
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HIMALAYA PUBLICATION-PARABOLA-QUESTION BANK
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  12. The directrix of the parabola y^(2)=16 x is

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  13. The vertex of the parabola y^(2)=5 x+4 y+1 is

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  14. The axis of the parabola 2 x^(2)+5 y-3 x+4=0 is

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  16. A parabola has its focus at (-4,0) and its directrix is x=4 . Its equa...

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  18. If y=2 x+k is a tangent to y^(2)=8 x, then k=

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