Practice 1.2 Answers 1. 522. 23. 384. 16 5. 18.9 6. 877. 258. 79. 210. 1 11. 912. 513. 2614. 2915....
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Transcript of Practice 1.2 Answers 1. 522. 23. 384. 16 5. 18.9 6. 877. 258. 79. 210. 1 11. 912. 513. 2614. 2915....
![Page 1: Practice 1.2 Answers 1. 522. 23. 384. 16 5. 18.9 6. 877. 258. 79. 210. 1 11. 912. 513. 2614. 2915. 88 16. 8517. 1218. 519. 2620. 55 21. 7222. 6023. 223.](https://reader036.fdocuments.us/reader036/viewer/2022082711/56649ed95503460f94be8873/html5/thumbnails/1.jpg)
Practice 1.2 Answers
1. 52 2. 2 3. 38 4. 16 5. 18.96. 87 7. 25 8. 7 9. 2 10. 111. 9 12. 5 13. 26 14. 29 15. 8816. 85 17. 12 18. 5 19. 26 20. 5521. 72 22. 60 23. 2 23. 13124. 33.95 25. 63.34 26. 2427. 2.25 28. 0 29. 99 30. 6
![Page 2: Practice 1.2 Answers 1. 522. 23. 384. 16 5. 18.9 6. 877. 258. 79. 210. 1 11. 912. 513. 2614. 2915. 88 16. 8517. 1218. 519. 2620. 55 21. 7222. 6023. 223.](https://reader036.fdocuments.us/reader036/viewer/2022082711/56649ed95503460f94be8873/html5/thumbnails/2.jpg)
(A.4) Section 1.3 Rational Numbers & the Number Line
Objectives Identify coordinates on a Number Line Graph numbers on a number line. Find absolute values of rational
numbers. Evaluate Expressions with Absolute
Value
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Real Number System ( )
Rational Numbers (Q) Irrational Numbers
(I)
Integers ( )
Whole Numbers (W)
Natural Numbers ( )
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Real Numbers
Irrational #’sRational #’s
Integers
Whole #’s
Natural #’s
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Rational Number Practice
1. Name the set(s) of numbers to which each given number belongs.
a) -13 d) ⅝b) e) 0c) 42 f) 0.3
10
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Determine whether each statement is true or false, if false give a counterexample.
2. No fractions are whole numbers.
3. All whole numbers are real numbers.
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Ex.4 Graph
Ex. 5 Graph {integers less than -3 or greater than or equal to 5}
Ex. 6 Graph {integers greater than -3 and less than or equal to 5}
16, 2 , 1.6 , 0.75, 2
3
![Page 8: Practice 1.2 Answers 1. 522. 23. 384. 16 5. 18.9 6. 877. 258. 79. 210. 1 11. 912. 513. 2614. 2915. 88 16. 8517. 1218. 519. 2620. 55 21. 7222. 6023. 223.](https://reader036.fdocuments.us/reader036/viewer/2022082711/56649ed95503460f94be8873/html5/thumbnails/8.jpg)
Absolute Value
The absolute value of any number x is is the distance the number is from 0. Symbol for Absolute Value is |Bars|. For simplifying treat Absolute Value Bars like
parenthesis. Do what is inside first.
Examples |-4| = or |4| =
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Ex. 7
a) 15 – |8 + 4| b) |–10| – 6 + 4
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Ex. 8
a)
b) 15 5 , if 3x x
48 5 , 12x if x
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Order
9. Write in order from least to greatest.a) -7 , 4 , 0 , 12 , -12b) -¼ , -¾ , -½ , ⅝ ,-⅝
10. Compare the following
a b c. . . . 18 161
4
1
4
1
30 3333