For my 3-D project, I built a model of three-dimensional condinate system first. The equation my group chose was x+4y+2z=4 and I chose section 4 which was (-x,-y,-z) to do. And my graphing was in three variables. Before I graphed my equation, I had to change my original equation to -x-4y-2z=4 and found x-, y-, and z-intercepts. The intercepts were (-4,0,0), (0,-1,0), (0,0,-2). Lastly, I ploted all the three points on the (-x,-y,-z) region and used the yarn to connect them.
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