SOLUTION: identify the vertex, focus, and directrix of the problem. y=1/2(x-1)^2

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Question 724018: identify the vertex, focus, and directrix of the problem. y=1/2(x-1)^2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
identify the vertex, focus, and directrix of the problem. y=1/2(x-1)^2
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Form: (x-h)^2 = 4p(y-k)
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Your problem:
(x-1)^2 = 2(y-0)
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Vertex: (1,0)
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4p = 2
p = 1/2
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Focus: (1, 0+1/2) = (1,1/2)
Directix: y = -1/2
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Cheers,
Stan H.