nilai optimum f(x) = -8x² -16x - 1 adalah

Fungsi KuaDraT

f(x) = -8x² - 16x - 1
a = -8
b = -16
c = -1

Nilai optimum = y = -D/4a

y = -D/4a
y = -(b² - 4ac)/4a
y = -((-16)² - 4.(-8)(-1))/(4 . (-8))
y = -184/-32
= 5 3/4