koordinator titik puncak grafik fungsi f(x)=x²-4x+6 adalah

Bab Fungsi Kuadrat
Matematika SMP Kelas VIII

f(x) = x² - 4x + 6
a = 1; b = -4; c = 6

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

f(2) = 2² - 4 . 2 + 6
f(2) = 4 - 8 + 6
f(2) = 2

(2, 2)