Comprehensive Review of Algebraic Concepts and Operations

1. Review Questions Algebra I

2. 1A Add. Write the sum in simplest form.

3. 1B Subtract. Write the answer in simplest form.

4. 2A What is 1 ½ % of $400? $6

5. 1C Divide. Write the answer in simplest form.

6. 2B What percent of 2 is 8? 400%

7. 2C Eighteen is what percent of 60? 30%

8. 3A Write as a decimal. 0.625

9. 3B Write 0.98 a fraction in lowest terms.

10. 3C Write as a percent. Round to the nearest tenth of a percent, if necessary. 66.7%

11. 4A Name the base and exponent then evaluate. 34 The base is 3. The exponent is 4. 34 = 81

12. 4B Name the base and exponent then evaluate. 122 The base is 12. The exponent is 2. 122 = 144

13. 4C Name the base and exponent then evaluate. 106 The base is 10. The exponent is 6. 106 = 1,000,000

14. 5A Evaluate. 12÷3•5-42 4

15. 5B Evaluate. 15÷3•5-42 9

16. 5C Evaluate. 8[62 - 3(2+5)]÷8+3 18

17. 6A What symbol is used for“greater than”? >

18. 6B What symbol is used for“less than or equal to”? ≤

19. 6C What symbol is used for“not less than”? ≥

20. 7A Name the coordinates of the points graphed on the number line. {-4, -3, -2, 1, 2}

21. 7B Graph on a number line.

22. 7C Graph the set of numbers on a number line. {integers less than -3 or greater than or equal to 5}

23. 8A Find the sum. 41 + (-63) -22

24. 8C Find the difference: -45 - (-10) -35

25. 9A • Find the product: – 9 (– 12 ) 108

26. 8B Add: -15 + (-45) -60

27. 9B Find the product:

28. 9C Simplify: (–8x)(–2y) + (–3y)(z) 16xy – 3yz

29. 10A Find the quotient. -77 ÷ 11 -7

30. 10B Find the quotient. 17

31. 10C Simplify. 8-2a

32. 11A Find the mean, median, mode and range for the set of data. {1, 2, 3, 5, 5, 6, 13} Mean: 5 Median: 5 Mode: 5 Range: 12

33. 11B Find the mean, median, mode and range for the set of data. {8, 7, 5, 19} Mean: 9.75 Median: 7.5 Mode: none Range: 14

34. 11C Find the mean, median, mode and range for the set of data. {201, 201, 200, 199, 199} Mean: 200 Median: 200 Mode: 199 & 201 Range: 2

35. 12A Replace the O with <, >, or = to make the statement true. O 3.888… >

36. 12C Find the square root in simplest form.

37. 12B Write these real numbers in order from least to greatest. (You may use a calculator.)

38. 13A Solve: k + 21 = 14 k = -7

39. 13B Solve: 15 = a - 5 20

40. 13C Solve:

41. 14A Solve: –3x = 12 –4

42. 14B Solve: 2/3

43. 14C Solve: -77

44. 15A In which quadrant is the point(3,-4) located? Fourth quadrant

45. 15B Plot the point (–5, 0) on a coordinate plane.

46. 15C Write the ordered pair for the point shown. Name the quadrant in which the point is located. (-2 , 4) II

47. 16A Solve if the domain is {–2 , –1, 1, 3, 4} y=4 – 5x {(– 2,14), (–1,9), (1,–1), (3,–11), (4,–16)}

48. 16B Solve if the domain is {–2 , –1, 1, 3, 4} y=2x + 3 {(– 2, –1), (–1,1), (1,5), (3,9), (4,11)}

49. 16C Solve if the domain is {–2 , –1, 1, 3, 4} x=7 – y {(– 2, 9), (–1,8), (1,6), (3,4), (4,3)}

50. 17A Choose the letter with the graph of the solution set of . e.