Across
- 5. slope=0
- 6. replacing letters with numbers
- 7. where a line crosses y-axis
- 9. all natural numbers and zero
- 12. slope=undefined
- 14. 2 terms
- 15. 1 term
Down
- 1. where a line crosses x-axis
- 2. starting point
- 3. 3 terms
- 4. it passes the vertical line test
- 8. term with no variable
- 10. Ax+By=C
- 11. lines are horizontal
- 13. letter representing a value