Question

sobre o vertice da função f(x) =x^2- 2x +3

Answer 1

======xv==yv
................↓..,,..↓ ==> xv=1 , yv=2
f(x) = (x -1)² +2

Answer 2

Xv=-b/2a

Xv=-(-2)/2×1

Xv=2/2

Xv=1

Yv=-Delta/4a

yv=-B ao quadrado-4×a×c/4a

yv=4-4×1×3/4a

yv=4-12=-8

y=-8/4=-2