Across
- 5. answer to a division problem
- 7. 2(3+4)=3(2+4)
- 8. answer to an addition problem
- 9. 2(3x+4)=6x+8
- 12. x on the graph
- 14. y on the graph
- 15. (x1+x2/2,y1+y2/2)
Down
- 1. answer to a subtraction problem
- 2. an expression with 4 or more terms
- 3. an expression with 2 terms
- 4. 6+4+7=4+7+6
- 6. answer to a multiplication problem
- 10. an expression with 3 terms
- 11. 1+0=1
- 13. (y2-y1/x2-x1)