Question

What is quadratic and it's formula​

Answer 1

Answer:

A quadratic (equation or expression) involves the second and no higher power of an unknown quantity or variable.

Step-by-step explanation:

The quadratic formula is derived from the General form of a quadratic equation :

ax+bx+c=0

using completing the square method.

Quadratic formula=

$x = \frac{ - b± \sqrt{ {b}^{2} - 4ac } }{2a}$