Question

qual e a soma das coordenadas do vértice definida pra f(x)=2 x^(2)+10 x+12
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Answer 1

Vamos lá.

2x² + 10x + 12 = 0

a = 2

b = 10

c = 12

delta

d = 100 -96 = 4

vértice

Vx = -b/2a = -10/4 = -5/2

Vy = -d/4a = -4/8 = -1/2

soma

Vx + Vy = -6/2 = -3