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Mathematics 13 Online
OpenStudy (anonymous):

plz help

OpenStudy (anonymous):

Which of the following numbers is irrational? -15/4....-7/9....^4....or n

OpenStudy (solomonzelman):

\(\large\color{slate}{ -15/4 }\) , \(\large\color{slate}{ -7/9 }\) , and \(\large\color{slate}{ \sqrt[4]{n} }\) like this ?

OpenStudy (anonymous):

|dw:1422300522483:dw|

OpenStudy (solomonzelman):

\(\large\color{slate}{\displaystyle\frac{-15}{4},~~~~\frac{-7}{9},~~~~\sqrt{4},~~~~\pi }\)

OpenStudy (solomonzelman):

OpenStudy (anonymous):

yes

OpenStudy (solomonzelman):

look at my picture and tell me what you think

OpenStudy (anonymous):

n is irational

OpenStudy (anonymous):

?

OpenStudy (solomonzelman):

yes, \(\large\color{slate}{\displaystyle \pi }\) is the irrational number.

OpenStudy (solomonzelman):

normally \(\large\color{slate}{\displaystyle \sqrt{\color{white}{4}} }\) is an irrational, but when it is a \(\large\color{slate}{\displaystyle \sqrt{\color{white}{4}} }\) of a perfect square, then it is rational.

OpenStudy (solomonzelman):

(your answer was correct)

OpenStudy (anonymous):

ok i see thank you so much

OpenStudy (solomonzelman):

yw

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