Question

Determine as coordenadas do vértice da parábola correspondentes f (x)= (x-1)^2

Answer 1

elevando (x-1) ao quadrado fica
f(x)=x²-2x+1
a=1 b=-2 c=1
as formulas do vértice são
xv=-b/2a
yv=-Δ/4a
xv=2/2
xv=1
yv=-(4-4.1)/2
yv=-0/2
yv=0
as coordenadas são (1,0)