Question

encontre  as  cordenadas  do  vertice  para  a   funçao

y = 2x²  + 8x - 8

Answer 1

y = 2x² + 8x - 8

xv = -b/2a
xv = -8/2.2
xv = -8/4

xv = -2

yv = -Δ/4a
yv = -(64 + 64)/4.2
yv = -128/8

yv = -16

Coordenadas:

$\boxed{V(-2,-16)}$