Question

1. Determine as coordenadas do vértice da função y = 2x2 - 8x + 6:* O (-2,-2) O (2, 2) O (-2,2) O (2,-2)​

Answer 1

Resposta:

2x² - 8x + 6

a = 2, b = -8, c = 6

delta

d = 8² - 4*2*6 = 64 - 48 = 16

vértice

Vx = -b/2a = 8/4 = 2

Vy = -d/4a = -16/8 = -2

V(2, - 2) (D)