document.write( "Question 212481: x^2-8x>0 \n" ); document.write( "
Algebra.Com's Answer #160451 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! x^2-8x>0 \n" ); document.write( "------- \n" ); document.write( "x(x-8) > 0 \n" ); document.write( "------------ \n" ); document.write( "Draw a number line. \n" ); document.write( "Plot x = 0 and x = 8 \n" ); document.write( "----------------- \n" ); document.write( "Check a value in each of the intervals to see where solutions lie. \n" ); document.write( "--- \n" ); document.write( "If x = -10 you get -*- > 0 ; true so solutions in (-inf,0) \n" ); document.write( "If x = 5 you get +*- > 0 ; false \n" ); document.write( "If x = 10 you get +*+ > 0 ; true so solutions in (8,+inf) \n" ); document.write( "============================================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |