what is the focus of the parabola given by -1/4(y+2)^2=(x-1)

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what is the focus of the parabola given by -1/4(y+2)^2=(x-1)

Mathematics
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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focus of parabola with the equation \((y+h)^2 = a(x-b)+k \) is \((a+h,k)\) now compare your equation with this standard equation and find a,h,k
there is no a or k in this equation
we need to compare equations! first multiply both sides by -4

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Other answers:

|dw:1439137783807:dw|
I don't get it
|dw:1439138094438:dw|
(4+2,0)
so (6,0)?
h= +2, a =-4
that isn't one of my options
h+a = 2-4 = -2 (-2, 0) is not in the options?
well kind of, it's in reverse though, (0,-2)
Does it make a difference?
then i might have my formula wrong.. (k, a+h) but yes, the focus is indeed (0,-2) verified from : http://www.wolframalpha.com/input/?i=focus+of+-1%2F4%28y%2B2%29%5E2%3D%28x-1%29+
okay thank you for your help
welcome ^_^

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