document.write( "Question 208450: I would just like to ask why do we need to extract square root in solving for the value of the variable? \n" ); document.write( "
Algebra.Com's Answer #157675 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I would just like to ask why do we need to extract square root in solving for the value of the variable? \n" ); document.write( "--------------------------- \n" ); document.write( "Sometimes you do and sometimes you don't. \n" ); document.write( "If you end up with x^2 = 7 you need to \"extract the square root\" \n" ); document.write( "if you are solving for x. \n" ); document.write( "-------------------- \n" ); document.write( "But if you end up with x = 7 you don't have to \"extract the square root\". \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |