document.write( "Question 954421: Solve the following; don't forget to check for extraneous roots: \r
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document.write( "SQRT(x^3) = SQRT(x^2)\r
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document.write( "A.{0,1}
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document.write( "B.{-1,0,1}
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document.write( "C.0
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document.write( "D.1
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document.write( "E.all real numbers
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document.write( "F.none of the above \r
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document.write( "*I answered c at first but it was wrong. Please explain your answer. Thanks in advance!
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Algebra.Com's Answer #582884 by rothauserc(4718) You can put this solution on YOUR website! SQRT(x^3) = SQRT(x^2) \n" ); document.write( "note that sqrt(x^3) = sqrt(x^2*x) = x*sqrt(x) \n" ); document.write( "x*sqrt(x) = x \n" ); document.write( "sqrt(x) = 1 \n" ); document.write( "x = 1 \n" ); document.write( "answer is D. \n" ); document.write( " \n" ); document.write( " |