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Mathematics 28 Online
OpenStudy (jjuden):

Which of the following is an irrational number?

OpenStudy (jjuden):

\[0.78;(\sqrt{12})^{2}; \sqrt{18};\sqrt{169}\]

OpenStudy (campbell_st):

just find the number that can't be written as a fraction

OpenStudy (anonymous):

^^

OpenStudy (anonymous):

err fraction I should've said that, damn it campbell!

OpenStudy (jjuden):

idk which one that would be

OpenStudy (anonymous):

CCCCCCCCC

OpenStudy (anonymous):

DO YOU C WHAT I DID THERE

OpenStudy (anonymous):

Think about it. .75 can be 75/100

OpenStudy (jjuden):

hahaha thanks can u tell me how u did it so i know next time :)

OpenStudy (anonymous):

.78 is like...39/50 or something like that :D

OpenStudy (campbell_st):

well all rational numbers can be written as fractions... so irrationals can be written as fractions... hope it helps

OpenStudy (anonymous):

can't be written!

OpenStudy (jjuden):

oh ok i kinda get it now :) thanks you guys

OpenStudy (anonymous):

campbell meant can't be written as fractions fyi

OpenStudy (jjuden):

oh ok

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