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 0.7 x*y + 0.3 (1-x)(1-y) = 0.25, from x=0 to 1, y=0 to 1
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random