Question

cordenadas vertice das parabolas Y=x2-2

Answer 1

$Y=x^{2} -2$
$Xv= \frac{-b}{2a} = \frac{0}{2} =0$
$Yv= \frac{-(b^{2} -4.a.c)}{4a} = \frac{-(0-4.1.(-2))}{4} = \frac{-8}{4} = -2$