Question

Which number is irrational?

Answer 1

@myth1111

Answer 2

@myth1111

Answer 3

Ill try to help you horse girl

Answer 4

Ok, let's see...

Answer 5

Give me 2 mins plz.

Answer 6

ok

Answer 7

I think B not sure though you should wait for Myth1111 answer

Answer 8

Ok, I got it. Three of the answer choices are square numbers. The one that isn't a square number is the answer.

Answer 9

Which one do you think it is?

Answer 10

And it's not B.

Answer 11

I was wrong

Answer 12

@horsegirl325

Answer 13

You there?

Answer 14

yes

Answer 15

what nxt?

Answer 16

@myth1111

Answer 17

hellloooo!!

Answer 18

sorry, phone call, 1 min.

Answer 19

ok

Answer 20

Ok, Im back. Which number is a square number?

Answer 21

isn't*

Answer 22

Idk what?

Answer 23

@myth1111 CAN U PLZ HELP ME I DONT WANT TO BE SITTING HERE ALL DAY!!

Answer 24

I'm pretty sure it's against the CoC to give the correct answer without helping, but... it's D.

Answer 25

thats not what I'm saying, i posted this 30 min ago and I've still have had no help.

Answer 26

Can you "help" me with this one?

Answer 27

Let's see. 1 min.

Answer 28

2 of them are square numbers, 2 aren't square.. The ones that are square are rational, and vice-versa.

Answer 29

you have to find if the numbers are rational or irrational

Answer 30

how do you know if they are "square"?

Answer 31

what u can multiply them by 4 or something?

Answer 32

sorry *divide

Answer 33

Well, 9 is a square number because 3*3 = 9.

Answer 34

WAIT! what does square mean?

Answer 35

oh i see

Answer 36

so 9 is rational

Answer 37

A square number is a number that can be achieved by multiplying the same number with itself (x*x or \[x^{2}\]

Answer 38

u there?

Answer 39

so \[\sqrt{39}\] is irrational?

Answer 40

Yeah.

Answer 41

and \[\sqrt{48}\] is irrational?

Answer 42

and \[\sqrt{289 }\] is rational

Answer 43

right @myth1111

Answer 44

???

Answer 45

Yes.

Answer 46

does this look right?

Answer 47

Great!

Answer 48

this ones a little harder.

Answer 49

@myth1111

Answer 50

Hmm... Well, the radical of a fraction is always irrational unless the fraction is improper.

Answer 51

ok

Answer 52

Repeating decimals, or decimals that have an end, are rational.

Answer 53

And pi is an irrational number, so dividing it by 2 isn't going to change anything.

Answer 54

so c is rational?

Answer 55

Yeah.

Answer 56

what about that 4th one?

Answer 57

\[\frac{ \pi }{ 2 }\]

Answer 58

what about that 1?

Answer 59

is it irrational?

Answer 60

@myth1111

Answer 61

Find all the square roots first. Tell me what you get

Answer 62

Did you see my post? Pi is an irrational number.

Answer 63

so its irrational!

Answer 64

Yes.

Answer 65

IS IT???

Answer 66

Oh, sorry wrong question. Make sure to only post one question per post so users don't do what I do

Answer 67

what grade are all of you all in