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Mathematics 8 Online
OpenStudy (anonymous):

Graph the function, with the focus and directrix shown on the graph, as well. Attachment

OpenStudy (anonymous):

OpenStudy (anonymous):

@julian25

OpenStudy (anonymous):

ok lets consider firts this function x= (1/8)y^2 we would find te focus and after that we will translate it to find the focus of this x-2 = (1/8)(y+1)^2

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

OpenStudy (anonymous):

first we must take that equation into this form y^2 = 4px where p is the focus

OpenStudy (anonymous):

so we have 4*2*x= y^2

OpenStudy (anonymous):

could u find the focus from therE?

OpenStudy (anonymous):

the focus would be 0,2

OpenStudy (anonymous):

no really |dw:1372755500109:dw|

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