document.write( "Question 384812: for the equation 25x^2 - kx = -4, find k so that the equation has exactly one rational root. \n" ); document.write( "
Algebra.Com's Answer #272394 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! 25x^2 - kx + 4 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(5x - 2)^2 = 0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "use FOIL to find k \n" ); document.write( " |