Question

qual a formula de xv e yv

Answer 1

Para calcular o vértice usamos as fórmulas:

$\boxed{\boxed{x_v= \frac{-b}{2a} }~~~e~~~\boxed{y_v= \frac{-\Delta}{4a} }}$

Answer 2

Resposta:

Xv= -b/2a

Yv = -Δ/4a