Question 527273: For the parabola, y=1/20x^(2), what is the equation of the directrix
Answer by lwsshak3(11628)   (Show Source):
You can put this solution on YOUR website! For the parabola, y=1/20x^(2), what is the equation of the directrix.
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Standard form of equation for given parabola: x^2=4py.
y=1/20x^(2)
x^2=20y
4p=20
p=5
vertex:(0,0)
parabola opens upwards
Equation of directrix:
y=-5
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