here's a link to a problem just like yours answered/explained by someone who knows his stuff ...
How do you find the vertex, focus, and directrix of parabolas?
Find the vertex, focus, and directrix of the parabola:
x + y^2 = 0
I haven't come across an expression set up in this way before, so I am a little confused.
Thanks for any help!
here's a link to a problem just like yours answered/explained by someone who knows his stuff ...
How do you find the vertex, focus, and directrix of parabolas?
Asked again and answered here: http://www.mathhelpforum.com/math-he...tml#post478812
Thread closed.