Across
- 4. any algebraic expression
- 6. expression with 2 terms; 3x+5
- 7. parentheses change their location) 2+(4+5)=(2+4)+5
- 8. expression with 1 term; ex) 2x
- 9. you get what you started with (mirror image)
Down
- 1. monomials separate by plus or minus sign
- 2. cancels out ex) 2+-2=0
- 3. order changes ex) 2x+4 = 4+2x
- 5. the only property that has multiplication and addion in the same example; ex) 4(2x+1)= 8x+4