document.write( "Question 495996: I am confused by this question, particularly because of the variable being used instead of a real number.
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document.write( "Rewrite without exponents:
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document.write( "x^1/4 (fraction, not division)\r
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document.write( "Thanks. \n" );
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Algebra.Com's Answer #336289 by Theo(13342)![]() ![]() You can put this solution on YOUR website! x^(1/4) is the expression.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you are taking x and raising it to the power of (1/4)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "raising something to the power of (1/n) means taking the nth root of that something.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "in this expression, you are taking the 4th root of x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "that would be shown as:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "in general, the expression of:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^(a/b) raises x to the power of a and then takes the bth root of the result. \n" ); document.write( "alternatively, x^(a/b) takes the bth root of x and then raises it to the power of a.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "an example will help clarify this:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^(5/4) is the same as (x^5)^(1/4) which is the same as \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^(5/4) is the same as \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "an example will help clarify this.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "let x = 16 \n" ); document.write( "x^5 = 16^5 = 1048576 \n" ); document.write( "1048576^(1/4) = 32\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "same example, only working the other way (taking the root first and then taking the power).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "let x = 16 \n" ); document.write( "x^(1/4) = 2 \n" ); document.write( "2^5 = 32\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "whether you take the root first or you raise to the power first doesn't matter. \n" ); document.write( "you get the same answer each time.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "your problem is:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x^(1/4) \n" ); document.write( "they want you to rewrite without exponents. \n" ); document.write( "x^(1/4) is equivalent to \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "an example:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "let x = 16 \n" ); document.write( "x^(1/4) becomes: \n" ); document.write( "16^(1/4) which becomes: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the rules are:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x(a/b) = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "in your problem, a was equal to 1. \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |