solve equation of a parabola

Question

How do I solve what is the equaiton of a parabola with vertex (0,0) and focus (0,4)

 

thanks

Answer 1

L,

 

Check this page for the process.  http://www.wyzant.com/resources/answers/23935/how_do_you_find_a_in_parabola_equations_using_just_the_vertex_and_the_focus

 

Its exactly the same, only the numbers are different