Soal Ulangan Matematika Kelas 9 dan SMA Kelas 10, Fungsi Kuadrat Dilengkapi Jawaban

y = a (x - x1) (x - x2)

-4 = a (2 + 2) (2 - 3)

-4 = a (4) (-1)

-4
__ = a
-4

1 = a

y = a (x - x1) (x - x2)

y = 1 (x + 2) (x - 3)

y = (x + 2) (x - 3)

y = x^2 - 3x + 2x - 6

y = x^2 - x - 6