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# Real Number System

Real Number System. Direction: Click on the link for your best choice. 1. When is a number both rational and irrational?. When it is a mixed number When it is a decimal When it is negative When it is an improper fraction Never. 2. Simplify: |-36| / 6. 6 - 6 30 216.

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## Real Number System

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### Presentation Transcript

1. Real Number System

2. Direction: Click on the link for your best choice. 1. When is a number both rational and irrational? When it is a mixed number When it is a decimal When it is negative When it is an improper fraction Never

3. 2. Simplify: |-36| / 6 6 - 6 30 216

4. 3. Classify the real number 1.2348987645697..... • Rational • Irrational • Rational and Integer • Natural, Whole, Integer, and Rational

5. 4. Which number is not whole? 0 √49 -1

6. 5. π (pi) is which of the following A. IrrationalB. Irrational and IntegerC. RationalD. Rational and IntegerE. Rational and Irrational

7. 6. What is the smallest whole number? A. -1B. 1C. 0D. 0.5D. -0.5

8. 7. The symbol used to represent the set of rational numbers is _____. A. RB. WC. QD. ZE. I

9. 8. Simplify: (-2)x(-6)x(-7)

10. 9.) x + 9 = 9 + xis an example of which property? Associative Property of Addition Additive Identity Commutative Property of Addition Additive Inverse

11. 10. The square root of 31 is in which subset? A. Natural numbersB. Counting numbersC. Rational numbersD. Irrational numbers

12. 11. ( x + 5 ) ( 7 + x ) = ( x + 5 )•( 7 )+( x + 5 )•( x )is an example of which property? Associative Property of Addition Commutative Property of Multiplication Associative Property of Multiplication Distributive Property

13. 12. Back in your school days, you were taught how to plot numbers on a number-line, even the more offbeat ones like -59/3 and the square root of two. Where on the real number line should I be plotted? A. Somewhere between 3 and -(infinity) B. It can't be plotted anywhere C. Exactly at 0 D. Somewhere between -1 and 1

14. 13. René Descartes (1637) first coined the term "imaginary number" in a derogatory sense in his "La Geometrie", because such numbers were thought not to exist. Who was the first to introduce the symbol "i" to denote the square root of -1? A. Jean-Robert Argand B. Herschel PinkesRemochelKrustofski, a.k.a. "Krusty the Clown" C. Leonhard Euler D. Abraham de Moivre

15. 14. x + ( y + 3 ) = (x + 3) + yis an example of which property? Associative property of addition Distributive property Additive identity Commutative property of addition

16. 15. Which number is not an integer? A. √81B. 4.3333...C. -2D. 0E. 7/1

17. You’re Wrong

18. You’re Wrong

19. You’re Wrong

20. You’re Wrong

21. You’re Wrong

22. You’re Wrong

23. You’re Wrong

24. You’re Wrong

25. You’re Wrong

26. You’re Wrong

27. You’re Wrong

28. You’re Wrong

29. You’re Wrong

30. You’re Wrong

31. You’re Wrong

32. God Bless!........

33. References • Pictures: http://basineducation.uwex.edu/stcroix/Didyouknow/AliensAmongUs/Worms/Gif1.gif

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