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Handout #1
MQ5 home Quiz 1
On a Macintosh computer: If symbols for set
operations do not appear below, change the font of your
browser to Western.
Set operations: page A
| 1. Express the resulting set given A = {1, 2, 3}, B = {4, 5,
6}, and C = {6, 7}. |
| a. A È B |
b. A Ç B |
c. C È B |
d. C Ç B |
Answer true or false given N = {1, 2, 3,..}, W = {0, 1, 2,...}, Z = {..., -1, 0, 1, ...}. |
| 2. W Í N |
3. N Í W |
4. W Í Z |
5. Z Í W |
| 6. N Í {} |
7. {} Í N |
8. {-1} Ç N = {Æ} |
|
List all the subsets of the given set. |
| 9. {a} |
10. {a, b} |
11. {a, b, c} |
|
12. If A Í B and B Í A, then sets A and B are
________. (Fill in) |
List the first four elements (in ascending order) of the given set. |
| 13. {x: x = 3n - 5 and n Î
N} |
15. {x: x = 3n and Î N} |
| 14. {x: x = 3n - 5 and n Î
W} |
16. {x: x = 2(5)n and
n Î W} |
Construct the given set or sequence. |
| 17. {1, 3, 5, 7,...} |
20. {3, 9, 27, 81,...} |
| 18. {-2, -4,
-6, -8,...} |
21. {1, 3, 9, 27,...} |
| 19. {5, 8, 11, 14,...} |
22. -1, 1, -1, 1,... |
The system of real numbers: page B
| Express each number as a quotient of two integers. |
| 1. 5 |
2. 1 |
3. 0 |
4. -3 |
| 5. 2 1/4 |
6. -4 1/3 |
7. 0.3 |
8. -3.7 |
Express each number as a decimal. |
| 9. 7/10 |
10. 4/25 |
11. -2/5 |
12. -3/4 |
| 13. 9/15 |
14. -14/56 |
15. -7/8 |
16. 18/48 |
| 17. 1 9/50 |
18. -3 17/20 |
19. -6/5 |
20. 11/4 |
| 21. 5/6 |
22. 4/11 |
23. -8/9 |
24. -1/18 |
Express each number as a quotient of integers in lowest terms. |
| 25. 0.4 |
26. -3.6 |
27. -2.57 |
28. 0.85 |
| 29. 1.1195 |
30. -4.125 |
31. 0.0625 |
32. 0.00375 |
| |
| 33. 0.33... |
34. 0.55... |
35. 0.1818... |
36. 0.5454... |
| 37. 0.312312... |
38. 0.561561... |
39. 5.6464... |
40. 2.6868... |
| 41. 0.166...
|
42. 0.833.. |
43. 3.266... |
44. 4.177... |
| 45. 0.02727... |
46. 0.04242... |
47. 1.38181... |
48. 2.47272... |
| |
| 53. 0.99... |
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Page A ANSWERS: 1a. {1, 2, 3, 4, 5, 6} 1b.
{} 1c. {4, 5, 6, 7} 1d.
{6} 3. true
5. false 7. true 9. {}, {a} 11. {},
{a}, {b}, {c}, {a, b}, {a, c}, {b, c}, {a, b, c}
13. {-2, 1, 4, 7,...} 15. {3, 9, 27, 81,...}
17. {x: x = 2n - 1 and n Î
N}
19. {x: x = 3n + 2 and n Î N}
21. {x: x = 3n and n Î W}
Page B ANSWERS: 1.
5/1 3. 0/1 5. 9/4 7.
3/10 9. 0.7 11. -0.4
13. -0.6
15. -0.875 17. 1.18 19. -1.2 21. 0.833... 23.
0.88... 25. 2/5 27. 257/100
29. 2239/2000 31. 1/16 33. 1/3 35.
2/11 37. 104/333 39. 559/99 41. 1/6
43. 49/15 45. 3/110 47. 76/55 53. 1
MQ5 home Quiz
1
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