titik puncak dari fungsi kuadrat fx = x kuadrat min 2 x + 8 adalah

P(Xp,Yp) dari x² - 2x + 8


Xp = -b/2a
= 2/2
= 1

Yp = - D/4a
= - (b²-4ac)/4a
= - (4-4.1.8)/4.1
= - (4-32)/4
= - (-28)/4
= 28/4
= 7


P(Xp, Yp) = (1,7)