Across
- 4. Always true no matter what values are substituted
- 5. Contains unknown value but no equals sign.
- 6. Links one value to one or more other value.
- 7. Is a value or number that never changes in expression
Down
- 1. Contains unknowns and can be solved.
- 2. The terms that contain the same variable which is raised to the same power
- 3. An alphabet which is used to represent the unknown number