SOLUTION: I am working on a math homework sheet. I am having trouble with some problems. Can someone please help me figure these out. Find the equation of the parabola by the given info

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: I am working on a math homework sheet. I am having trouble with some problems. Can someone please help me figure these out. Find the equation of the parabola by the given info      Log On


   

Question 139712: I am working on a math homework sheet. I am having trouble with some problems. Can someone please help me figure these out.

Find the equation of the parabola by the given information.

13.) Vertex at the origin, focus at (0,3).
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
a general equation for a parabola is (x-h)^2=4p(y-k)

(h,k) is the vertex, and p is the distance from the vertex to the focus

substituting __ (x-0)^2=4(3-0)(y-0) __ x^2=12y