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# Unit 4 Review!. 1. Write the expression Sum of 9 and z.

## Presentation on theme: "Unit 4 Review!. 1. Write the expression Sum of 9 and z."— Presentation transcript:

Unit 4 Review!

1. Write the expression Sum of 9 and z

2.Write the expression Subtract 4 from 2 times s

3. Write the expression The product of 7 and h

4. Write the expression The quotient of z and 10

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

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

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

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

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

10. What is the exponent? 4 7

11. What is the base? ( ¼ ) 9

12. What is a prime number?

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

14. Evaluate if n = 3 5n

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

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

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

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

19. Find the prime factorization 24

20. List all the factors 7

21. List all the factors 21

22. Evaluate is y = 2 2y + 2

23. Simplify 3y + 2y + 1

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

25. Identify the like terms 2 + x + 5

26. Simplify 3 ( x + 2 ) + 1

27. Simplify 30 – 3 x 2 3

28. Simplify 15 – ( 1 + 3 ) 2 2

29. What does difference mean?

30. Evaluate if b = 16 B - 7

31. Evaluate if m = 4 28 m

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

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

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

35. Combine like terms -2x + 5x

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

37. Evaluate 5 0

38. Evaluate 6 2

39. Evaluate 14 1

Write a phrase to describe the algebraic expression 7x

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