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OpenStudy (anonymous):
Find the vertex, focus, and directrix of the parabola 4x-y^2-2y-33
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OpenStudy (anonymous):
@primeralph
OpenStudy (anonymous):
but how would i find the vertex?
OpenStudy (primeralph):
y = -b/2a = --2/-2 = -1. Plug that in for the x coordinate.
OpenStudy (anonymous):
when I solved this I got two complex numbers is that correct?
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OpenStudy (anonymous):
well for the y value
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