10-2 Practice
The Real Number System
Name all of the sets of numbers to which each real numbe...
Mathematics, 24.03.2021 18:50 reneewilliams20
10-2 Practice
The Real Number System
Name all of the sets of numbers to which each real number belongs. Let
W = whole numbers, Z = integers, Q = rational numbers, and I = irrational
numbers.
1. 15 2. β 41 3. 1
β
4
4.
1
β
3
5. 0.212121. . . 6. β8
7. β45 8. β
36
9 9. β β
28
7
10. 2.31 11. 45.6 12. 0.090090009. . .
Determine whether each statement is sometimes, always, or never true.
13. A decimal number is an irrational number.
14. An integer is a whole number.
15. A whole number is an integer.
16. A negative integer is a whole number.
Replace each β with < , >, or = to make a true statement.
17. 3.2 β β9.5 18. 1 1
β
2
β β3
19. β17 β 4.1 20. β7.84 β 2.8
21. 1 3
β
4 β β 3.0625 22. 3.67 β β12
Order each set of numbers from least to greatest.
23. β49 , 6. ββ91, 7 1
β
8
, β
15
2
24. 4 1
β
3
, β43 , β
12
3 , 4.13
25. -2, -1.5, -1 β
8
10, -β6
ALGEBRA Solve each equation. Round to the nearest tenth, if necessary.
26. h2 = 361 27. k2 = 10.24 28. c 2 = 111
29. 330 = t 2
30. 0.089 = u2
31. w2 = 0.0144
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.
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