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 y = 2x and y = x/2 and y = x, x = -15 to 15, y = -10 to 10
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
