Enable text based alternatives for graph display and drawing entry

Try another version of this question

Find the focus, directrix, focal diameter, vertex and axis of symmetry for the parabola

 `-25.2 y = x^2` 

The focus is the point  
The equation of the directrix =  
The focal diameter is  
The vertex is the point  
The equation of the axis of symmetry =  

Be sure to enter each answer in the appropriate format. Hint: What is the appropriate notation for a line or a point?

Get help:


X
MathQuill
   x  x    n  |   | (   ) π DNE
   x    (   ) π DNE
( ) ( ] [ ) [ ] —∞ DNE
< > or All Real Numbers DNE
log logn ln n  | | e 
sin cos tan arcsin arccos arctan  
[more..]