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Find the equation of the parabola that s...

Find the equation of the parabola that satisfies the given conditions:Vertex (0, 0); focus `(2,0)`

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Vertex `A(0,0)`: focus `S(-2,0)`
Since, the vertex of the parabola is `(0,0)` and the focus lies on the negative x-axis. so x-axis is the axis of the parabola
Equation of the parabola is of the form `y^2=-4ax`
Since, the focus is `(-2,0)` so `a=2`
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