Penyelesaiansistem persamaan y=x+2 y=x2-6×+8

Bab Persamaan Kuadrat
Matematika SMA Kelas X

x² - 6x + 8 = x + 2
x² - 6x - x + 8 - 2 = 0
x - 7x + 6 = 0
(x - 1) (x - 6) = 0
x - 1 = 0
x = 1
y = x + 2
y = 1 + 2
y = 3 → (1,3)

x - 6 = 0
x = 6
y = x + 2
y= 6 + 2
y = 8 → (6,8)

HP = { (1,3), (6,8) }