1. Unit 4 Review!

2. 1. Write the expression Sum of 9 and z

3. 2.Write the expression Subtract 4 from 2 times s

4. 3. Write the expression The product of 7 and h

5. 4. Write the expression The quotient of z and 10

6. 5. Write the expression Add 5 to the product of 4 and k

7. 6. Evaluate the expression ( 4 + 4 ) 2 + ( 12 ÷ 3)

8. 7. Use exponents to write each expression 7 x 7 x 7 x 7

9. 8. Use exponents to write each expression 2 x 2 x 2 x 2 x 2

10. 9. Use exponents to write each expression ½ x ½ x ½

11. 10. What is the exponent? 4 7

12. 11. What is the base? ( ¼ ) 9

13. 12. What is a prime number?

14. 13. What should you do first to simplify? 7 + ( 3 x 6 ) 3

15. 14. Evaluate if n = 3 5n

16. 15. What property is this an example of? 5 + 2 + 3 = 3 + 2 + 5

17. 16. What property is this an example of? (2 x 5) x 4 = 2 x ( 5 x 4)

18. 17. Use distributive property to solve 2 ( 5 + 2 )

19. 18. Use distributive property to solve 3 ( x – 4 )

20. 19. Find the prime factorization 24

21. 20. List all the factors 7

22. 21. List all the factors 21

23. 22. Evaluate is y = 2 2y + 2

24. 23. Simplify 3y + 2y + 1

25. 24. Identify the like terms 2x + 3 + 4y + x

26. 25. Identify the like terms 2 + x + 5

27. 26. Simplify 3 ( x + 2 ) + 1

28. 27. Simplify 30 – 3 x 2 3

29. 28. Simplify 15 – ( 1 + 3 ) 2 2

30. 29. What does difference mean?

31. 30. Evaluate if b = 16 B - 7

32. 31. Evaluate if m = 4 28 m

33. 32. Combine like terms 8y 2 - 5y 2

34. 33. Combine like terms 4m + 3 ( n + 7m)

35. 34. Combine like terms X + 8y -5y + 5x

36. 35. Combine like terms -2x + 5x

37. 36. Combine like terms 5c + 4 ( d + 6c)

38. 37. Evaluate 5 0

39. 38. Evaluate 6 2

40. 39. Evaluate 14 1

41. Write a phrase to describe the algebraic expression 7x