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Mathematics 21 Online
OpenStudy (anonymous):

find the vertex,focus and directrix 12(x+5)=(y-8)^2

OpenStudy (mertsj):

No. y^2=4px

OpenStudy (mertsj):

S0 4p = 12 and p=3

OpenStudy (mertsj):

p is 3 but the vertex is (-5,8)

OpenStudy (mertsj):

focus is (-2,8) directrix is x=-8

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