PLEASE NOTE: These topics have been merged into Health science. Updates should be added to that page instead of here.
These should be the most basic topics in the field--topics about which we'd like to have articles soon. Please see the most basic encyclopedia article topics for general instructions on constructing this list.
... real. (Geometrically, this means that the parabola intersects the x-axis in two points.)
If the discriminant is negative, then there are two different solutions x, both of ...