document.write( "Question 22568: A famous mathematician of the 1800's once said: \"I was x years old in the year x squared.\" In what year did the mathematician say this, and what year was he born? \n" ); document.write( "
Algebra.Com's Answer #11013 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Let \"x\" be the age of the mathematician. \n" ); document.write( "Then x^2 is between 1700 and 1800 \n" ); document.write( "Take the sqrt throughout the inequality to get \n" ); document.write( "[41.23 < x < 42.43] \n" ); document.write( "Since the man's age is an integer he must have \n" ); document.write( "been 42.\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |