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Algebra 1 Review Chapter 2 Name ___________________________ Define a variable and write an expression for each phrase. 1. the sum of 5 and three times a number 2. 30 minus a number 3. the quotient of 7 and a number 4. the product of a number and 12 5. Define variables and write an equation to represent the relationship in the table. Number of Weeks 1 2 3 4 Amount Earned 35 70 105 140 Simplify each expression. Show your work. 6. 10 8 2 6 7. 35 4 9. 36 (4 4 4) 10. (13) (4) 11. 12 ( 7) 12. 12.4 22.3 13. 5 17 14. 15. 36 9 16. – (36) 17. (3+8)(11 – 3) 8. 8 - 22 2 9( 5) Evaluate each expression for x 3, y 1, z 2 , v = , w = 18. zxy 19. | z 10 | 20. 2 y 3x 21. 2 x( y z ) 22. | xy | 23. Find the sum or difference. 24. 25. Simplify each expression. 26. 9m 5m 3 27. 2b 8 b 2 28. 5( w 4) 29. 9( 4 3 j ) 30. (3 10 y ) 31. 1 (16t 8) + 3t 4 32. 2(4 x 5) 3x 33. A hot air balloon rose up 10 feet, fell 19 feet, then rose back up 5 feet, and rose 3 more feet. How far is the balloon from where it started? 34. Know your properties of numbers! Study your notes.