document.write( "Question 204535: x^(-2)=16 \n" ); document.write( "

Algebra.Com's Answer #154399 by nerdybill(7384) $\"\"$ $\"About$

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x^(-2)=16
\n" ); document.write( "Is equivalent to:
\n" ); document.write( "1/x^2 = 16
\n" ); document.write( "1 = 16x^2
\n" ); document.write( "1/16 = x^2
\n" ); document.write( "sqrt(1/16) = x
\n" ); document.write( "+-1/4 = x
\n" ); document.write( "(that's plus or minus 1/4) \n" ); document.write( "

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