(x,y) = (3,15)T
Baca Juga: Kunci Jawaban Matematika Kelas 9 Halaman 92, Grafik Fungsi Kuadrat
Tabel B, diketahui y = x² - 2x
x = -2
y = (-2)² - 2(-2)
y = 8
(x,y) = (-2,8)
x = -1
y = (-1)² - 2(-1)
y = 1
(x,y) = (-1,1)
x = 0
y = (0)² - 2(0)
y = 0
(x,y) = (0,0)
x = 1
y = (1)² - 2(1)
y = -1