Question

Determine as coordenadas do vértice da parábola correspondente a cada função
f(x)=x²-2x+3

Answer 1

Xv= -B/2*A
Xv= -(-2)/2*1
Xv= 2/2
Xv=1

Yv= - delta /4*a
Yv= -(-2² - 4 * 1 * 3)/4*1
Yv= -(4-12)/4
yv= -(-8)/4
yv=8/4
yv= 2

S(1;2)