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 fit {0, 0} {500, 205} {1000, 328} {1500, 409}
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random