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Mathematics 20 Online
OpenStudy (jenna):

i need help finding parabolas the vertex, directrix, and focus 2) x=-1/12y squared 3)y= 1/4(x-2)squared 4) x-2=1/8(y+1)squared 5)y-2=-1/16(x-1)squared also need help graphing ellipses 3) (x-7)squared/4+(y-3)squared/9=1 4)(x-3)squared/4+(y+3)squared/16=1 5)(x-2)squared/1+(y-1)squared/4=1 6)x squared/25+(y-2)squared/9=1

OpenStudy (samigupta8):

Do you mean that it is x^2=-1/12y for the first part?

OpenStudy (wolf1728):

You'll find this page: http://www.1728.org/quadr3.htm has a good explanation for finding the vertex, directrix, and focus.

OpenStudy (misty1212):

HI!!

OpenStudy (misty1212):

that is a lot of questions which one do you want to do, and do you want to do it the slow way or the fast way?

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