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Mathematics 7 Online
OpenStudy (anonymous):

what is the vertex form for:y=-1/3x^2+8/3x-25/3

OpenStudy (anonymous):

I haven't done this in awhile but this site explains it well. http://www.purplemath.com/modules/sqrvertx.htm Also, check khanacademy.org

OpenStudy (anonymous):

@littlekuroko Apply Complete square method!

OpenStudy (callisto):

Do you know how to do completing square?

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