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Mathematics 7 Online
MsBrains (ms-brains):

Can someone check if I'm correct? http://prntscr.com/ah12on

Directrix (directrix):

Do you see a term in your possible polynomials that looks like anything on the attachment?

MsBrains (ms-brains):

Yes.. 1/x^2 one is similar to mine

Directrix (directrix):

Oh, I see you selected 2/y. You are correct. The variables of a polynomial cannot be in the denominator.

OpenStudy (kayders1997):

Yes directrix is right

MsBrains (ms-brains):

Thanks guys!

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