Posted by **nik** on Saturday, July 14, 2012 at 3:09pm.

find the equation of a parabola that opens to the right with given vertex: (0,3) and passes thru the point: (2,-1)

- college algebra -
**Reiny**, Saturday, July 14, 2012 at 5:57pm
with a vertex of (0,3) and opening up to the right, the equation is

x = a(y-3)^2 + 0

but it passes through (2,-1)

2 = a(16)

a = 1/8

x = (1/8)(y-3)^2

or

8x = (y-3)^2

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