Maximum or Minimum Value of a Quadratic

Rarely Tested

Maximum or Minimum Value of a Quadratic

For:

$$f(x)=ax^2+bx+c$$

the extremum value is:

$$f\left(-\frac{b}{2a}\right)=\frac{4ac-b^2}{4a}$$

Usage

- Used to directly obtain the maximum or minimum value of a quadratic.

No related questions available for this formula yet.

Go back to topics

Join CAT 2026 course by 5-Time CAT 100%iler

Start your IIM journey with the right preparation and crack CAT 2026.