## asdfasdf54514 2 years ago What is an irrational number besides a number that can't go on a number line, pi, and e?

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1. zzr0ck3r

$\sqrt{\text{prime number}}$

2. OpenSessame

^ what he said...

3. asdfasdf54514

Are you sure?

4. zzr0ck3r

wait are you asking for another irrational number like pi and e?

5. zzr0ck3r

the wording of your question is odd

6. asdfasdf54514

OpenSessame, please leave... I will block you in fifty seconds.

7. asdfasdf54514

I just want to know what makes a number irrational.

8. Luigi0210

Be nice @asdfasdf54514

9. asdfasdf54514

No, I'm rude.

10. zzr0ck3r

if it cant be written in the form$\frac{integer}{integer}$

11. dan815

when it cant be written as an integer

12. zzr0ck3r

so 1/2 is irrational dan?

13. asdfasdf54514

So, is .3333... Irrational?

14. asdfasdf54514

.333... is not irrational.

15. dan815

o true

16. OpenSessame
17. zzr0ck3r

$\frac{1}{3}=0.3333....$

18. OpenSessame

THE GOLDEN RATIO!

19. asdfasdf54514

OpenSessame... Please... Stop... I only need ZZr0vk3r's help.

20. asdfasdf54514

Anyways, can it be written as irrational since the two integers of p and q are prime numberS?

21. zzr0ck3r

can what?

22. asdfasdf54514

1/3

23. zzr0ck3r

$\frac{prime}{prime}$is not an indication that something is irrational

24. dan815

irrational is when the numbers after the decimal point are just 'irrational' no pattern

25. asdfasdf54514

Oh yes! thank you!!! omg thank you so much!! it clicked now!! thank you guys!!

26. asdfasdf54514

TYSM NOW I CAN DO MY HOMEWORK WELL!!! THANK YOU TYTYTYTY!!

27. zzr0ck3r

I think you are trying find a tell all for irrational numbers, and i dont think there is. it simply means that it cane be put in a RATIO of integers

28. zzr0ck3r

cane=cant

29. asdfasdf54514

Yeah, I realized that! Thank you for helping me! I'm now a fan of yours for sure!

30. zzr0ck3r

$\pi,e,\sqrt{3},\sqrt{2},....$none of these numbers can be written in the form$\frac{a}{b}$where a, and b are integers

31. zzr0ck3r

np

32. asdfasdf54514

How come you're so smart?

33. Isaiah.Feynman

@zzr0ck3r 1 is not a prime number.

34. zzr0ck3r

im not, imagine someone asking you what 2+2 is, once you know it, you know it....

35. zzr0ck3r

i didnt say it was

36. asdfasdf54514

I'm studying mathematics theory, and my teacher is confusing me a lot.

37. zzr0ck3r

it was a counter argument...

38. asdfasdf54514

Do you have any tips for mathematics theory?

39. Isaiah.Feynman

@zzr0ck3r I see your point now.

40. zzr0ck3r

just practice, math theory really can mean anything. It depends on what you are doing..

41. zzr0ck3r

I like theory over applied

42. asdfasdf54514

Math Theory is going from pre algebra to differential calculus in a matter of 30 weeks.

43. asdfasdf54514

44. zzr0ck3r

it all changes after you complete basic calc, difEQ, and linear algebra. things get very different once you get into calc analysis, real analysis, group theory/abstract algebra, differential geometry, ....these are all things you will do, and none of it will be anything like what you are doing now.

45. asdfasdf54514

Then why must I study the other maths if it is different?

46. zzr0ck3r

they are all the same thing, just looking through different glasses.

47. zzr0ck3r

not really but.....

48. zzr0ck3r

they are all realted....it would be like learning to throw a frisbie before you have learned to throw a ball. you dont need to learn how to throw the ball first, but it's probobally the best order to do it in.

49. asdfasdf54514

Oh, I understand, like how a bird learns to fly, but must first learn to dive out of a tree to impale its victim in an unforgivable manner.

50. asdfasdf54514

How come you're so wise?

51. zzr0ck3r

lol, im old:)

52. Isaiah.Feynman

@zzr0ck3r how old are you? and what level of math are you in???

53. asdfasdf54514

Old and Wise, like the man on top of the mountain. Hehehe :P

54. zzr0ck3r

55. KINGRULER78A

i probabely smarter then zzrock asdfasd, he no smarter than me, i in college.

56. asdfasdf54514

LOL?

57. zzr0ck3r

next term im taking more real analysis, and more abstract algebra.

58. KINGRULER78A

I take math in college, it my majore, you take easy class zzrock

59. asdfasdf54514

60. zzr0ck3r

lol you are trolling me on a math website?

61. KINGRULER78A

What troll? you no good at math man!

62. KINGRULER78A

I better than everone in evrthing!

63. asdfasdf54514

Zzr0ck3r, do you know him??

64. KINGRULER78A

I his brother I smarter in math ask me question insted

65. zzr0ck3r

hes just bored:)

66. asdfasdf54514

He left!

67. asdfasdf54514

I gotta go, take care man!

68. dan815

im going to be an astronaut

69. dan815

iam also going to be a doctor

70. wolf1728

asdfasdf54514 I can't believe the answer to this question has become so huge (yeah a lot of it is irrelevant information). An irrational number is one that cannot be put into the form of a fraction. 1/7 - although that is a repeating decimal .142857142857142857..., it is a rational number.

71. dan815

AND MAYBE a professional basketball player or baseball player maybe.. though

72. Isaiah.Feynman

@dan815 how old are you and what are you studying in school?

73. dan815

right now im in engineering physics

74. dan815

but im planning on taking more math in summer, complete a double major in maths and eng phys

75. dan815

starting 2nd year for physics in 5 more days T_T

76. dan815

OH MAN im not ready yet

77. Isaiah.Feynman

seems like you are still very young

78. zzr0ck3r

@wolf1728 you need to be careful with your wording its not that it cant be written in the form of a fraction as $\frac{\pi}{2}$is a fraction and is irrational the point is, that if the number is a real number and it cant be put in a ratio (fraction) where the numerator and denominator are integers then it is irrational.

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