document.write( "Question 85960: is the sqrt of 77 rational or irrational? \n" ); document.write( "

Algebra.Com's Answer #62111 by 303795(602) $\"\"$ $\"About$

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77 = 7 x 11
\n" ); document.write( " $\"sqrt%2877%29=sqrt%287%29%2Asqrt%2811%29\"$
\n" ); document.write( " $\"sqrt%287%29\"$ is irrational as is $\"sqrt%2811%29\"$
\n" ); document.write( "The product of two irrational numbers will itself be irrational.
\n" ); document.write( "So $\"sqrt%2877%29\"$ will be irrational.
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