$\"\"$

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The vertex of the parabola is $\"\"$ and the focus is at $\"\"$ .

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The $\"\"$ -coordinates of the vertex and focus are same, hence the equation of the parabola is in the form of $\"\"$ .

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Here $\"\"$ is the vertex of the parabola and the focus of the parabola is $\"\"$ .

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$\"\"$ .

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$\"\"$ and $\"\"$

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$\"\"$

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$\"\"$ .

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Since $\"\"$ , the parabola opens to left.

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$\"\"$

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The equation of parabola is $\"\"$ .

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Substitute $\"\"$ and $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Therefore, the equation of the parabola is $\"\"$ .

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$\"\"$

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The equation of the parabola is $\"\"$ .