Question

help me @nikato @astrophysicis

Answer 1

a?

Answer 2

No, \[\sqrt{36} = 6 \implies \frac{ 6 }{ 1 } \implies rational\]

Answer 3

b

Answer 4

There is only one obvious one, that should stick out.

Answer 5

Please, don't guess

Answer 6

What is the \[\sqrt{49} ?\]

Answer 7

sorry guys im not good at this :(

Answer 8

Remember irrational numbers can't be written as fractions so something like pi, pi = 3.14159265....and you cannot simplify it into a ratio.

Answer 9

It's ok, don't worry that's why we're here to help you understand :)

Answer 10

\[\sqrt{49} \implies 7 \implies \frac{ 7 }{ 1 }\] so is this rational or irrational?

Answer 11

rational

Answer 12

Good! Because we can treat it as a simple fraction, now the next one, do you think we can treat is as the others?

Answer 13

You would need a calculator for this one, so that should give you some hint :P

Answer 14

so i think D

Answer 15

Why is D irrational?

Answer 16

What is the square root of 121

Answer 17

11

Answer 18

@Astrophysics

Answer 19

Yes, good bruce, so we can treat that as 11/1 right, so that will be rational as well, meaning our answer is? :)

Answer 20

c

Answer 21

can you help me with 1 more?