ZX is the diagonal :)
Hope this helped!
The answer to 1. (1, -2)
The answer to 2. (-2, -2)
The answer to 3. (4, -1/2)
The answer to 4. (3, -1/2)
The answer to 5. No solution.
This is true because octa- means 8
No because if it was put on a graph it would not go through the origin (0,0)
