document.write( "Question 533186: how do i solve log(x)81=-4 \n" ); document.write( "
Algebra.Com's Answer #351060 by ankor@dixie-net.com(22740) You can put this solution on YOUR website! how do i solve log(x)81=-4 \n" ); document.write( "Write the exponent form of logs \n" ); document.write( "x^-4 = 81 \n" ); document.write( "get rid of the neg by using the reciprocal of 81 \n" ); document.write( "x^4 = \n" ); document.write( "x = the 4th root of \n" ); document.write( "x = \n" ); document.write( "; \n" ); document.write( ": \n" ); document.write( "Check on calc 3^4 = 81 \n" ); document.write( " |