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Mathematics 17 Online
OpenStudy (ammarah):

I need help with this one: Graph x^2=-4y find vertex, focus, axis of symm, and directrix

OpenStudy (ammarah):

@ganeshie8

OpenStudy (ammarah):

ok so the focus is x^=4py and so its (0,-1)? and directriz is y=1 vertex is (0,0) idk how to graph it @ganeshie8

ganeshie8 (ganeshie8):

perfect !

ganeshie8 (ganeshie8):

first graph the known things : 1) directrix 2) vertex, focus

ganeshie8 (ganeshie8):

|dw:1397180632736:dw|

ganeshie8 (ganeshie8):

can u graph the directrix ?

OpenStudy (ammarah):

|dw:1397180685166:dw|

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