Across
- 4. has both adding and multiplication in the same example
- 5. any algebraic expression
- 8. you get what you started with (mirror image)
- 9. Parentheses change
Down
- 1. 1 term
- 2. order changes
- 3. A monomial separated by plus and minus signs
- 6. cancels out
- 7. 2 terms