document.write( "Question 967150: Given f(x)=nx^2-12x+9n where n is a real number. What is the value(s) of n such that this quadratic has ONLY ONE REAL root. \n" ); document.write( "
Algebra.Com's Answer #591102 by josgarithmetic(39625)![]() ![]() ![]() You can put this solution on YOUR website! Discriminant must be 0.\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( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n=-2 or n=2 \n" ); document.write( " |