Tolong bang nomor 25. Nya Buat caranya ya kak bang... #mksihbnyk

Bab Fungsi Kuadrat
Matematika SMP Kelas VIII

(0, 3), (1,0), (3, 0)

y = a (x - x1) (x - x2)
3 = a (0 - 1) (0 - 3)
3 = a . (-1) . (-3)
a = 3/3 = 1

y = a (x - x1) (x - x2)
y = 1 . (x - 1) (x - 3)
y = x² - 4x + 3

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