document.write( "Question 966924: Calculate the range of values of x for which x^2=4x-5>5x-3\r
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document.write( "Can you tell me why must the graph be above the x axis? \n" );
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Algebra.Com's Answer #590928 by josgarithmetic(39623)![]() ![]() ![]() You can put this solution on YOUR website! x^2=4x-5>5x-3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The equality symbol must be mistake for the PLUS symbol.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If the left member is for a function, this is a parabola with a minimum vertex, opening UPWARD. \n" ); document.write( "The solutions for the inequality will need to be x values so that the quadratic expression is \n" ); document.write( "POSITIVE, according to the GREATER THAN ZERO statement. This means, ABOVE THE x AXIS.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "Roots or \"zeros\" of the function are 2 and -1. Between the roots, the expression is negative. \n" ); document.write( "Outside the domain of the quadratic expression, the expression is positive.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "---- \n" ); document.write( "The symbol, \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |