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Write an equation: vertex at (1,-3) and Focus (1,-5)

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asked Jan 11, 2017 in TRIGONOMETRY by JANA Rookie

1 Answer

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The vertex and focus points are image

Find an equation.

Since the image-coordinates of the vertex and focus are the same, this is a regular vertical parabola.

Since the vertex and focus are image

Standard form of the parabola equation is image

Substitute image in the parabola equation.


The parabola equation is image

answered Jan 12, 2017 by Anney Mentor

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