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would radical 7 over 14 be rational or irrational and why?

rational-irrational-numbers

asked Nov 21, 2013 in PRE-ALGEBRA by mathgirl Apprentice

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1 Answer

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Given sqrt(7/14)

= sqrt(1/2)

= 1/sqrt(2)

It is irrational because sqrt(2) is irrational number.

2 has exponent of 1,so 2 could not have been made by squaring rational number, either sqrt(2) is irrational.

answered Dec 19, 2013 by dozey Mentor

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