Thursday, December 9, 2010

3-D Graph

For our 3-D graph, we decided to use the equation x+y+z=3. We had different equations to do but I took -x-y-z=3. I needed to find each of the intercepts so I made two of the three variables equal zero. Then I repeated the same step two more times for the other two variables. When I finished I would have x=-3 y=-3 and z=-3. So they would be at (-3,0,0), (0,-3,0), and (0,0,-3). After finding the intercepts, I graphed the points and connect the points with green yarn to get an equilateral triangle shape. Since I had only one part of the 3-D graph, we each combined our pieces together to get the full 3-D graph.

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