SOLUTION: A parabola has its vertex at the origin, and the coordinates of its focus are (0,10). Find the equation of the directrix. I believe the answer is y=-10.

SOLUTION: A parabola has its vertex at the origin, and the coordinates of its focus are (0,10). Find the equation of the directrix. I believe the answer is y=-10.

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Question 863349: A parabola has its vertex at the origin, and the coordinates of its focus are (0,10). Find the equation of the directrix.
I believe the answer is y=-10.

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
yes, the directrix is y = -10, good work
Parabola opening Upward with V(0,0)
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