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.

Algebra ->  Quadratic-relations-and-conic-sections -> 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.       Log On


   

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) About Me  (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)