When b 2 4 a c 0 there are two real roots. Just as a quadratic equation can map a parabola the parabolas points can help write a corresponding quadratic equation. There are many applications for quadratic equations.
When b 2 4 a c 0 there are two real roots.
X2 3x -1. These are all quadratic equations in disguise. When the Discriminant b24ac is. The standard form of a quadratic equation is.