Across
- 4. a letter
- 10. to take away
- 11. little number
- 12. rate of change
- 14. to multiply
- 15. two lines that never touch
Down
- 1. a number multiplied by itself
- 2. big number
- 3. a straight line
- 5. y values
- 6. to add to
- 7. terms that are similar
- 8. where two lines meet
- 9. has four quadrents
- 13. all real numbers