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OpenStudy (lolipopss):
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OpenStudy (3mar):
First off.. The directrix is horizontal or vertical?
OpenStudy (lolipopss):
Horizontal
OpenStudy (lolipopss):
No wait
OpenStudy (3mar):
Great! and the horizontal lines have an equations of which coordinates?
OpenStudy (lolipopss):
oh xD i got confused for a sec.
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OpenStudy (lolipopss):
-1?
OpenStudy (3mar):
I mean x or y-coordinates?
OpenStudy (lolipopss):
x?
OpenStudy (3mar):
you mean x=-1 is the equation of the directrix of this parabola? |dw:1481966160732:dw|
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