The St. Leger Stakes is a 1 3/4 miles, 132 yards (about 2800 meters) thoroughbred horse race for 3-year-olds run in September of each year at Doncaster, Yorkshire, England first held in 1776.
... solutions x, both of which are real. (Geometrically, this means that the parabola intersects the x-axis in two points.)
If the discriminant is negative, then there are ...