document.write( "Question 52880: I think I'm starting to understand how to solve these types of equations. However, I think I may need a bit more \"English\" as to the exact steps. Could someone help me with solving x^-2 = 4.\r
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document.write( "Thanks! \n" );
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Algebra.Com's Answer #35270 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! solve x^-2 = 4.\r \n" ); document.write( "\n" ); document.write( "Just follow the simple rules of algebra. \n" ); document.write( ": \n" ); document.write( "Negative exponent involves the reciprocal: x^-2 = 1/x^2 \n" ); document.write( ": \n" ); document.write( "1/x^2 = 4 \n" ); document.write( ": \n" ); document.write( "Get rid of x^2 in the denominator; mult equation by x^2 resulting in: \n" ); document.write( " 1 = 4x^2 \n" ); document.write( ": \n" ); document.write( "Divide both sides by 4 resulting in: \n" ); document.write( "1/4 = x^2 \n" ); document.write( ": \n" ); document.write( "Or we can say: x = SqRt[1/4] \n" ); document.write( "; \n" ); document.write( "x = 1/2; \n" ); document.write( " \n" ); document.write( " |