document.write( "Question 106771: 1.) Determine k such that the solutions of kx^2 - 4x = 7 are non real complex numbers.\r
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document.write( "2.) Use the discriminant to determine wheather the solutions of 1,776x^2 - 1,492x + 1,984 = 0 are real numbers.\r
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document.write( "3.)Find a third degree equation that has a solution set of {2,3, -4} \n" );
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Algebra.Com's Answer #77694 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1.) Determine k such that the solutions of kx^2 - 4x = 7 are non real complex numbers. \n" ); document.write( "kx^2-4x-7 = 0 \n" ); document.write( "a=k, b=-4, c=-7 \n" ); document.write( "Discriminant = b^2-4ac = 16-4k*-7 = 16+28k \n" ); document.write( "--------- \n" ); document.write( "The solutions are non-real when 16+28k<0: \n" ); document.write( "28k < -16 \n" ); document.write( "k < -4/7 \n" ); document.write( "===================\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2.) Use the discriminant to determine wheather the solutions of 1,776x^2 - 1,492x + 1,984 = 0 are real numbers. \n" ); document.write( "1492^2-4*1776*1984 = -11868272 \n" ); document.write( "Not Real because the discriminant is negative \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \r \n" ); document.write( "\n" ); document.write( "3.)Find a third degree equation that has a solution set of {2,3, -4} \n" ); document.write( " |