What is an irrational number besides a number that can't go on a number line, pi, and e?

- anonymous

What is an irrational number besides a number that can't go on a number line, pi, and e?

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- jamiebookeater

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- zzr0ck3r

\[\sqrt{\text{prime number}}\]

- anonymous

^ what he said...

- anonymous

Are you sure?

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## More answers

- zzr0ck3r

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

- zzr0ck3r

the wording of your question is odd

- anonymous

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

- anonymous

I just want to know what makes a number irrational.

- Luigi0210

Be nice @asdfasdf54514

- anonymous

No, I'm rude.

- zzr0ck3r

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

- dan815

when it cant be written as an integer

- zzr0ck3r

so 1/2 is irrational dan?

- anonymous

So, is .3333... Irrational?

- anonymous

.333... is not irrational.

- dan815

o true

- anonymous

http://www.mathsisfun.com/irrational-numbers.html

- zzr0ck3r

\[\frac{1}{3}=0.3333....\]

- anonymous

THE GOLDEN RATIO!

- anonymous

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

- anonymous

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

- zzr0ck3r

can what?

- anonymous

1/3

- zzr0ck3r

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

- dan815

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

- anonymous

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

- anonymous

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

- 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

- zzr0ck3r

cane=cant

- anonymous

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

- 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

- zzr0ck3r

np

- anonymous

How come you're so smart?

- Isaiah.Feynman

@zzr0ck3r 1 is not a prime number.

- zzr0ck3r

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

- zzr0ck3r

i didnt say it was

- anonymous

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

- zzr0ck3r

it was a counter argument...

- anonymous

Do you have any tips for mathematics theory?

- Isaiah.Feynman

@zzr0ck3r I see your point now.

- zzr0ck3r

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

- zzr0ck3r

I like theory over applied

- anonymous

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

- anonymous

Thanks for your help!

- 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.

- anonymous

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

- zzr0ck3r

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

- zzr0ck3r

not really but.....

- 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.

- anonymous

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.

- anonymous

How come you're so wise?

- zzr0ck3r

lol, im old:)

- Isaiah.Feynman

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

- anonymous

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

- zzr0ck3r

im 34, im about to graduate with my bachelors in math

- anonymous

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

- anonymous

LOL?

- zzr0ck3r

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

- anonymous

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

- anonymous

What are you talking about?!

- zzr0ck3r

lol you are trolling me on a math website?

- anonymous

What troll? you no good at math man!

- anonymous

I better than everone in evrthing!

- anonymous

Zzr0ck3r, do you know him??

- anonymous

I his brother I smarter in math ask me question insted

- zzr0ck3r

hes just bored:)

- anonymous

He left!

- anonymous

I gotta go, take care man!

- dan815

im going to be an astronaut

- dan815

iam also going to be a doctor

- 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.

- dan815

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

- Isaiah.Feynman

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

- dan815

right now im in engineering physics

- dan815

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

- dan815

starting 2nd year for physics in 5 more days T_T

- dan815

OH MAN im not ready yet

- Isaiah.Feynman

seems like you are still very young

- 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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