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January 27, 2015

January 27, 2015

Posted by **Abbey** on Sunday, March 21, 2010 at 8:18pm.

Vertex: (2,3) Point: (0,2)

I do not know how to do this! Please explain!! Thank You

- Math -
**Reiny**, Sunday, March 21, 2010 at 8:23pmWrite it in vertex form

y = a(x-2)^2 + 3, the only thing we don't know is the a value

sub in the given point

2 = a(-2)^2 + 3

-1 = 4a

a = -1/4

so

y = (-1/4)(x-2)^2 + 3

expand it if you need it in general form

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