# How do you find the vertex form of a quadratic equation?

$y = {x}^{2} + b x + c$
the vertex is $V \left(- \frac{b}{2 a} , - \frac{\Delta}{4 a}\right)$,
or, found the ${x}_{v} = - \frac{b}{2 a}$ you can substitue it in the equation of the parabola at the place of $x$, finding the ${y}_{v}$.