91- 6303239042
Maximum Value of a Quadratic Expression
## Formula
For:
$$ax^2+bx+c$$
when:
$$a<0$$
the maximum value is:
$$\frac{4ac-b^2}{4a}$$
or:
$$-\frac{D}{4a}$$
It occurs at:
$$x=-\frac{b}{2a}$$
## Usage
- Used to find the greatest possible value of a quadratic expression.
