# How do you find the axis of symmetry, graph and find the maximum or minimum value of the function y=2x^2+4x-3?

To find the coordinates of the maximum or minimum value of any quadratic function, simply plug in $\left(- \frac{b}{2 a} , \frac{- \left({b}^{2}\right)}{4 a} + c\right)$ for the equation $f \left(x\right) = a {x}^{2} + b x + c$ The equation for the axis of symmetry is simply $x = - \frac{b}{2 a}$