now, this isnt required for my class but my professor thought it would be cool if anyone in our class could figure it out. now, im armed with a ti-nspire calculator and a macbook pro with this nifty grapher application and (despite my limit of knowledge in this field) no matter what i put in i cant quite seem to get it. haha well heres the question (ill try an word it as best i can): we want to get a parabola that doesn't cross the x (or y) axis. when we were going over it in class, he said that wed be going into imaginary numbers. does anyone have any idea what hes talking about? id also like to find out how to turn a parabola on its side, but thats just for me. heres a list of stuff i had tried... first thing i did, i took [tex]y=x^2[/tex] and tried to move it around with the calculator. i didnt get to far. i put in multiple equations into the calc and the grapher application. and couldnt really get anywhere. still, probably because of my lack of knowledge of this.