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The focus of a parabola is (4,6) and it’s directrix is y=8. Write the equation of this vertical parabola in standard form.
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The focus of a parabola is (4,6) and it’s directrix is y=8. Write the equation of this vertical parabola in standard form.

User Emphram Stavanger
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in standard form the equation is y=-1/4x^2+2x+3

User Scottd
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