Asked by Abbey(Please help)
Find the vertex, focus, and directrix of the parabola.
x^2 - 2x + 8y + 9 = 0
x^2 - 2x +1 = -8y + 9+ 1
(x-1)^2 = -8(y-1.25)
vertex:(1,1.25)
focus:(1,-.75)
directrix: y=3.25
x^2 - 2x + 8y + 9 = 0
x^2 - 2x +1 = -8y + 9+ 1
(x-1)^2 = -8(y-1.25)
vertex:(1,1.25)
focus:(1,-.75)
directrix: y=3.25
Answers
Answered by
Abbey(Please help)
Is this correct?
Answered by
drwls
it looks good to me
Answered by
Abbey(Please help)
My teacher said that I had sign errors. I do not see where I went wrong.
Answered by
drwls
I don't either
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