Question

02. Encontre o vértice da parábola (Xv e Yv)
a. F (x)= 3x2-6x+2

Answer 1

Olá,
a=3      b= -6     c=2

Xv= -b/2a
    =$\frac{6}{2.3} = \frac{6}{6} = 1$

Xv=1

Yv=-Δ/4a
Δ=b²-4a*c
Δ=36-24
Δ=12

Yv= $\frac{-12}{4.3} = \frac{-12}{12} =-1$

Yv=-1