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.
Fit[{14.4, 15, 15.5, 16.2, 16.9, 17.6, 18.5, 19.4, 20.4, 21.5}, {1, x, x^2}, x]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random