Question

2)Seja f(x) = x2 − 6x + 8.
Determine as coordenadas do vértice:

Answer 1

Explicação passo-a-passo:

VÉRTICE

x = -b/2a

x = 6/2 . 1

x = 3

y = -D/4a

y = -4/4 . 1

y = -1

V = (3, -1)