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.
plot points (1, 1), (4, 4), (7, 1), (4, -2), and (1,1)
plot points (1, 1), (4, 4), (7, 1), (4, -2), and (1,1)
Natural Language
Math Input
Extended Keyboard
