Originally Posted by

**skeske1234** well actually I am having trouble plotting the points like A(-1,2,-1) B(2,-1,3) and D(-3,1,-3) in 3 space, my teacher said to plot the vertex of the point first, and then you should have 3 lines forming a corner of a cube.. and then draw your cube, so that the arrow goes from orgin to opposite side of cube. is there a better method of doing this? because I seem to mess up the points where I am plotting A, B, and D, so then my parallelogram vertices are in the wrong quadrant .. thus wrong order