The general form of quadratic functions will be f ( x ) = a n x n + a n − 1 x n − 1 + a n − 2 x n − 2 + . . . . + a 2 x 2 + a 1 x + a 0 {\displaystyle f(x)=a_{n}x^{n}+a_{n-1}x^{n-1}+a_{n-2}x^{n-2}+....+a_{2}x^{2}+a_{1}x+a_{0}}
