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Mathematics 21 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):

OpenStudy (anonymous):

y^2= 4*(-3)x

OpenStudy (anonymous):

so the focus is 0,4?

OpenStudy (anonymous):

i dont think so

OpenStudy (anonymous):

the parabola opensto the left

OpenStudy (anonymous):

so then what would be the focus and the directrix?

OpenStudy (anonymous):

the focus is (-3,0) can u find the directrix?

OpenStudy (anonymous):

y = -3

OpenStudy (anonymous):

no

OpenStudy (anonymous):

|dw:1372752508016:dw|

OpenStudy (anonymous):

x = -3

OpenStudy (anonymous):

that is the focus

OpenStudy (anonymous):

um...im stuck lol

OpenStudy (anonymous):

|dw:1372752626079:dw|

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