Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
quadratic [[0,1],[1,1.4],[2,1.6],[3,1.3],[4,0.9]]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random