Across
- 1. never changing
- 4. to reduce an expression to its simplest form
- 8. single value for the variable that makes it true
- 9. y=mx+b
- 10. positive or negative whole number
- 11. a letter representing an unknown number
- 13. statement showing
Down
- 2. single number, variable all multiplied together
- 3. number multiplied by a variable
- 4. hill
- 5. Ax+by=c
- 6. equation without an equal sign
- 7. no value for the variables that will make it true
- 11. a letter that represents a number we don't know
- 12. straight line
