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WebGraphing.com Forum » List all forums » » Forum: Algebra, Pre-Algebra, and Basic Math Homework Help » » » Thread: [:-/] How do I graph 2 equations? |
| Posted by dsteph02 at Dec 16, 2006 5:44:57 PM |
 How do I graph 2 equations?How do I graph 2 equations to find the break even point? And I need help understanding what this means "In the equations (C=800+3.20N and R=8.50N) do the y-intercept and coefficient of N give you?" |
| Posted by pskinner at Dec 16, 2006 7:27:39 PM |
Re: How do I graph 2 equations?Question: "How do I graph 2 equations to find the break even point?" Answer: You can rewrite the equations, substituting x and y for the variables you might have (so if c=800+3.20N, replace c with y and N with x: y=800+3.20x; and if R=8.50N, replace R with y and N with x: y=8.50x). Then you can use the "Basic Multiple Equations & Systems Plotting Calculator", entering each equation as above separated by commas. Where they intersect will be the so-called break even point. In your second question, there must be some typographical error because I can't decipher what it means. ---------------------------------------- Principal Skinner |