The three main forms of a quadratic equation are –
Standard form
Factored form
Vertex form.
The standard form of a quadratic equation is represented as y = ax² + bx + c, and the discriminant of a quadratic equation, in this case, is b² − 4ac. The Factored form of quadratic equation is represented as y = (ax + c) (bx + d). The Vertex form of quadratic equation is represented as y = a (x + b)² + c.
It must be noted that a, b, and c numbers.