Across
- 3. the set of all output values of a function
- 4. written down in the most commonly accepted way
- 6. putting numbers where letters are
- 8. highest number that divides exactly into two or more numbers
- 12. input value of a function
- 14. a symbol for a number we don't yet know
- 15. divided evenly by one and itself
- 17. each input gives back exactly one output
- 18. all the values that go into a function
- 19. a real number that cannot be written as a simple fraction
Down
- 1. the output of a function
- 2. a number made by squaring a whole
- 5. a number used to multiply a variable
- 7. numbers and variables multiplied together
- 9. one of two or more numbers
- 10. equation where the highest exponent of the variable is a square
- 11. equation that makes a straight line
- 13. two values are not equal
- 16. any number that can be made by dividing one integer by another
- 20. expression that has a square root