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What is the equation of the quadratic graph with a focus of (1, 1) and a directrix of y = −1?
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What is the equation of the quadratic graph with a focus of (1, 1) and a directrix of y = −1?

User Hajisky
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1 Answer

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f(x)= (1)/(4) (x-1)2
User Stabledog
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