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Mathematics 17 Online
OpenStudy (anonymous):

Find the standard form of the equation of the parabola with a focus at (-4, 0) and a directrix at x = 4.

OpenStudy (misty1212):

|dw:1440121717847:dw|

OpenStudy (misty1212):

HJI!!

OpenStudy (misty1212):

you need the vertex first, also which way it is oriented then it is quite quick do you know the vertex?

OpenStudy (anonymous):

0,0?

OpenStudy (misty1212):

yes !

OpenStudy (misty1212):

and how is it oriented? |dw:1440121829542:dw|

OpenStudy (anonymous):

first?

OpenStudy (misty1212):

yes again

OpenStudy (misty1212):

|dw:1440121936412:dw|

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