Question

Medal! Is pi/2 irrational or rational? I think it's rational! Am I right!

Answer 1

what defines a rational number?

Answer 2

Um, a number that can be shown in a ratio?

Answer 3

a ratio of what tho? there is more to the definition

Answer 4

Both the numerator and the denominator are whole numbers......?

Answer 5

hmmm, close


a rational number is any number, when simplified, that can take the form a/b .... such that a and b are integers

Answer 6

pi is not an integer, and pi/2 cannot be simplified

Answer 7

oh....it's irrational?

Answer 8

correct

Answer 9

Thanks! Sorry but I have two more. I'll fuss but can you tell me if I'm right or wrong?

Answer 10

it shouldn't take long at all

Answer 11

ill try

Answer 12

Thank you! Okay so I think that 2/3 is rational.

Answer 13

2 and 3 are integers so yeah that fits the bill

Answer 14

Yay, last one

Answer 15

I think 1/4 is rational too

Answer 16

are 1 and 4 both integers?

Answer 17

yes, yes they are ... so its rational as well

Answer 18

yes.....i think