Question

coordenadas do vértice x²+4x-2

Answer 1

$x^2+4x-2=0\\\Delta=4^2-4.1.(-2)\\\Delta=24$


$V_X= \frac{-b}{2a}$

$V_X= \frac{-4}{2} \\V_X=-2$

$V_Y= \frac{-\Delta}{4a}$

$V_Y= \frac{-24}{4} \\V_Y=-6$

(-2,-6)