Koordinat titik balik grafik fungsi kuadrat f(x)=x2-4x+3 adalah

f(x) = x² - 4x +3
x = -b/2a = -(-4) /2.1 = 4/2 = 2
y = (b²-4ac)/-4a = (16-12)/ -4.1 = 4/-4 = -1
titik balik (2, -1)