document.write( "Question 1019082: Find the discriminant. -4n^2+9n-13=-7 \n" ); document.write( "
Algebra.Com's Answer #635079 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Rewriting \n" ); document.write( "-4n^2 + 9n - 13 = -7 \n" ); document.write( "we get \n" ); document.write( "-4n^2 + 9n - 6 = 0 \n" ); document.write( "The discriminant is b^2 - 4ac. Here that is \n" ); document.write( "9^2 - 4(-4)(-6) = 81 - 96 = \n" ); document.write( "-15 \n" ); document.write( " |