koordinator titik balik grafik fungsi f(x)=2x2-4x+1

Kelas 10 Matematika
Bab Fungsi Kaudrat

f(x) = 2x² - 4x + 1
a = 2; b = -4; c = 1

Sumbu simetri
= -b/2a
= - (-4)/(2 . 2)
= 1

f(1) = 2 . 1² - 4 . 1 + 1
f(1) = 2 - 4 + 1
f(1) = -1

Koordinat titik balik = (1, -1)