Question

Determine as coordenadas do vértice da parábola y=x2-2x+1

Answer 1

Xv = -b/2a = -(-2)/2*1 => Xv = 1
Yv = -∆/4a = -[(-2)^2 - 4*1*1]/2*1 = -[4-4]/2 => 0

Portanto as coordenadas (Xv,Yv) => (1,0)