# What is the family of parabola with vertex and focus on the x-axis opening to the right?

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- RealProLv 71 year agoFavorite Answer
"Right"

Assuming that's where the positive x-axis points

x = Ay^2 + B where A is of course positive.

- PinkgreenLv 71 year ago
Let (a,0) be the vertex; (c,0) be the focus, where c>a when c,a>0

The family of the said parabola can be shown as

y^2=4(c-a)(x-a)

where a,c acts as the parameters.

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