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OpenStudy (anonymous):
Find the standard form of the equation of the parabola with a focus at (-4, 0) and a directrix at x = 4.
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OpenStudy (anonymous):
@dan815 please help me...
OpenStudy (anonymous):
@Austin6i6 @amistre64 @gerryliyana @campbell_st please....
OpenStudy (campbell_st):
start with some basics... plot the directrix and focus |dw:1430425565629:dw| then you should be able to find the equation
OpenStudy (campbell_st):
ooops missed a minus sigh |dw:1430425718294:dw|
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