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Mathematics 11 Online
OpenStudy (anonymous):

how do u get the vertex of a parabola. be very easy in your anwer please. my problem is y=x^2+2x but i just want to know in general.

OpenStudy (saifoo.khan):

That is also called completing square form.

OpenStudy (saifoo.khan):

http://www.youtube.com/watch?v=TV5kDqiJ1Os

OpenStudy (anonymous):

thanks

OpenStudy (saifoo.khan):

http://www.youtube.com/watch?v=gzm-uhj06q8

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