Question

3.2 – Determine as coordenadas do vértice (Xv e Yv) das funções abaixo:
a) y = x2 – 4x + 3
b) y = – x2 – 10x + 11
c) y = x2 – 6x + 4
d) y = x2 – 9
e) y = – 2x2 – x + 3
f) y = x2 + 6x + 9

Answer 1

Resposta:

a) (Xv, Yv)(2,-1)

b) (Xv, Yv)(-5,36)

c) (Xv, Yv)(3,-5)

d) (Xv, Yv)(0,-9)

e) (Xv, Yv)(-1/4,25/8)

f) (Xv, Yv)(-3,0)