SOLUTION: Could you please help me with this question? Find the focus an the directrix for the parabola -4x=y to the second power. Please help, Thank You.

Question 128671This question is from textbook Algebra 2
: Could you please help me with this question? Find the focus an the directrix for the parabola -4x=y to the second power. Please help, Thank You.
This question is from textbook Algebra 2

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Could you please help me with this question? Find the focus an the directrix for the parabola -4x=y to the second power.
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General Form: (y-k)^2 = 4p(x-h)
Form (y-0)^2 = -4(x-0)
Vertex is at (0,0)
4p = -4
p = -1
Focus is at (-1,0)
Directrix is at x = 1
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Cheers,
Stan H.
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