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Mathematics 21 Online
OpenStudy (anonymous):

Find vertex and focus y^2=-6X can someone jus tell me how to find both :]

OpenStudy (anonymous):

0,0 is the vertex

OpenStudy (anonymous):

focus is (-3/2,0)

OpenStudy (muhammad_nauman_umair):

Yes... V(0,0) and F(-3/2,0)

OpenStudy (anonymous):

......... How to find focus.....

OpenStudy (muhammad_nauman_umair):

As this is a parobola which is opening towards left so the formula of its focus is F(-a,0)

OpenStudy (anonymous):

I dont get it what is A..?

OpenStudy (muhammad_nauman_umair):

to find a we have to compare the question with the general left sided open parabola which is y^2=-(4a)x

OpenStudy (muhammad_nauman_umair):

in the given question 4a is given

OpenStudy (muhammad_nauman_umair):

from the question 4a=6 so, a=3/2

OpenStudy (muhammad_nauman_umair):

got it or not?

OpenStudy (anonymous):

Yess i didnt know the regular equation for one that is why that you!

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