16x^2=y

x^2/9 + y^2/16 = 1 ------> this one is a hyperbola, right?

y^2/25 - x^2 = 1

I'm having a lot of trouble with these for the past hour, I also need to find the vertex/focus/directrix/center/vertices/foci/asymptotes (depending on which type of equation it is) so any help is appreciated!