document.write( "Question 1131439: Simplify\r
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document.write( "a) √(32k^(7)q^(8))\r
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document.write( "b)³√(-64a^(8)) \n" );
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Algebra.Com's Answer #748111 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! break it apart \n" ); document.write( "sqrt(32)=sqrt(2)(sqrt(16))=4 sqrt(2) \n" ); document.write( "every 2 in an exponent under the radical (if square root) may be removed and become the variable to the first power. sqrt(k^7) becomes k^3*sqrt(k), the remainder left behind. \n" ); document.write( "sqrt(q^8)=q^4. \n" ); document.write( "multiply everything together to get 4*k^3*q^4*sqrt(2k), noting how the two radical terms are just combined under one radical\r \n" ); document.write( "\n" ); document.write( "do the same for cube roots \n" ); document.write( "cube root of -64 is -4 \n" ); document.write( "for cube root of a^8, pull THREE a's out and make it the variable to the first power. \n" ); document.write( "cube root of a^8=a^2*cube root (a^2), the remainder is 2. \n" ); document.write( "This is -4a^2 cube root (a^2) \n" ); document.write( " \n" ); document.write( " |