document.write( "Question 217164: How do I solve this quadratic equation?
\n" );
document.write( "2x^2+12x+19
\n" );
document.write( "I need to find the leftmost x-int and the right most x-int for the graph of this equation \n" );
document.write( "
Algebra.Com's Answer #163782 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! 2x^2 + 12x + 19 \n" ); document.write( ": \n" ); document.write( "There are no real roots to this equation, (no x intercepts)\r \n" ); document.write( "\n" ); document.write( "This can be shown by the discriminant: D = a^2 - 4*a*c \n" ); document.write( "In this equation: a = 2; b = 12; c = 19 \n" ); document.write( "; \n" ); document.write( "D = 12^2 - 4*2*19 \n" ); document.write( "D = 144 - 152 \n" ); document.write( "D = -8; a neg quantity means no real roots \n" ); document.write( "; \n" ); document.write( "The graph: \n" ); document.write( " |