Why not use points? It's easier, and you can see the data.
http://peltiertech.com/Excel/ChartsH...tEquation.html

- Jon
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Jon Peltier, Microsoft Excel MVP
Tutorials and Custom Solutions
Peltier Technical Services, Inc. - http://PeltierTech.com
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"GraphLady" wrote in message
...
Can Excel do linear programming problems? I'm wondering if Excel can graph
from an equation rather than data points and can it identify points of
intersection?