CPM Homework Help : INT3 Problem 11-82

On isometric dot paper, graph the system of equations below. What shape is the intersection? Use color to show the intersection clearly on your graph.

$10x+6y+5z=30\\6x+15y+5z=30$

Answer:

3 dimensional coordinate system, on isometric dot paper, with line connecting the approximate point, (2, comma 1, comma 0), & the exact point, (0, comma 0, comma 6).