Nilai malsimum fungsi kuadrat f (x) =-5x2+10x+3

Kelas 10 Matematika
Bab Fungsi Kuadrat

f(x) = -5x² + 10x + 3
a = -5; b = 10; c = 3

sumbu simetri
= -b/2a
= -10/(2 . (-5))
= -10/-10
= 1

f(1) = -5 . 1² + 10 . 1 + 3
f(1) = -5 + 10 + 3
f(1) = 8