Kunci Jawaban Matematika Kelas 9 Halaman 87, Melengkapi Tabel Fungsi Kuadrat

x = 0
y = -(0)² + 2(0)
y = 0

(x,y) = (0,0)

x = 1
y = -(1)² + 2(1)
y = 1

(x,y) = (1,1)

x = 2
y = -(2)² + 2(2)
y = 0

(x,y) = (2,0)

x = 3
y = -(3)² + 2(3)
y = -3

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