Question 255416
{{{g = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
{{{g = (-8 +- sqrt( 64-4*1*16 ))/(2) }}} 
{{{g = (-8 +- sqrt( 0))/(2) }}} 
{{{g = -4}}}
 {{{ graph( 300, 300, -8, 2, -5, 5, x^2+8x+16) }}}