Kunci Jawaban Matematika Kelas 9 Halaman 85, Menggambar Grafik Fungsi Kuadrat

(x,y) = (3,10)

Diketahui y = x2-1

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

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

x = -1
y = (-1)2 - 1
y = 0

(x,y) = (-1,0)

x = 0
y = (0)2 - 1
y = -1

(x,y) = (0,-1)

x = 1
y = (1)2 - 1
y = 0