Across
- 2. index
- 5. expression made up of one or more terms
- 7. equation that makes a straight line in the graph
- 8. vertical line on a graph
- 12. where a line crosses y-axis
- 14. replacing letters with numbers
Down
- 1. undefined
- 3. all natural numbers and zero
- 4. graphs is not a lineal
- 6. lines are horizontal
- 7. same variables and exponents
- 9. where a line crosses x-axis
- 10. number that can be represented as a fraction
- 11. goes on forever
- 13. three terms
