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Mathematics 14 Online
OpenStudy (anonymous):

Help with Rational & Irrational #!!!

OpenStudy (anonymous):

OpenStudy (anonymous):

@Michele_Laino @welshfella

Mehek (mehek14):

rational numbers can be written in fraction form

Mehek (mehek14):

so which one can you put there automatically?

OpenStudy (michele_laino):

hint: \[\sqrt 2 \] is an irrational number

OpenStudy (anonymous):

Pi is irrational

OpenStudy (michele_laino):

ok!

Mehek (mehek14):

yes so that would go in the irrational row

Mehek (mehek14):

radical 90?

OpenStudy (anonymous):

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

OpenStudy (michele_laino):

no, since pi is irrational

OpenStudy (anonymous):

Flip it around!

OpenStudy (michele_laino):

is the same answer

Mehek (mehek14):

either way pi is irrational so won't work

OpenStudy (anonymous):

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

OpenStudy (michele_laino):

it is irrational, since pi is irrational

OpenStudy (welshfella):

any square root of a natural number like sqrt 6 for example ( where the number is not a perfect square ) is irrational

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

what do you mean "a perfect square" like no decimal's?

OpenStudy (welshfella):

no i mean like 4 , 9 or 16

OpenStudy (welshfella):

9 = 3^2

OpenStudy (welshfella):

25,36 etc

OpenStudy (anonymous):

o...kkk...

OpenStudy (welshfella):

so sqrt 10 would be irrational

OpenStudy (welshfella):

or radical 10 as you say in the US

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