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The vertex of the parabola y^2 + 4x = 0 ...

The vertex of the parabola `y^2 + 4x = 0` is

A

`(4,0)`

B

`(-4,0)`

C

`(-1,0)`

D

`(0,0)`

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The vertex of the parabola y^2 = 4x + 4y is

    A
    `(1,-2)`
    B
    `(-1,2)`
    C
    `(2,1)`
    D
    `(-2, 1)`

  • The equation of the directrix of the parabola y^2 + 4y + 4x + 2 = 0 is

    A
    `x = -1`
    B
    `x = 1`
    C
    `x = (-3)/2`
    D
    `x = 3/2`

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