SOLUTION: What is the equation of a parabola with a directrix x = 8 and focus (-8, 0).
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Question 983481: What is the equation of a parabola with a directrix x = 8 and focus (-8, 0).
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
This shows the process, but is more general. Yours will be shifted so vertex will not be at the origin. Presentation is clumsy but it works.
This shows how to derive equation for parabola according to definition and given directrix and focus.
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