Question

determine as coordenadas do vertice da parabola correspondente a cada funçao f(x)=x2-2x+3

Answer 1

f(x)=x2-2x+3

x²-2x+3=0

Xv=-b/2a
Xv=2/2*1
Xv=1

Yv=-Δ/4a
Yv=-(4-4*1*3)/4*1
Yv=-(4-12)4
Yv=-(-8)/4
Yv=8/4
Yv=2

V (1,2)