y=2×+8 y=×2 Bantu dong temen

Bab Persamaan Linear
Matematika SMA Kelas X

y = y
x² = 2x + 8
x² - 2x - 8 = 0
(x + 2) (x - 4) = 0

x + 2 = 0
x = -2
y = 2x + 8
y = 2 . (-2) + 8
y = -4 + 8
y = 4
(-2, 4)

x - 4 = 0
x = 4
y = 2 . 4 + 8
y = 8 + 8
y = 16
(4, 16)

HP = {(-2,4), (4, 16)}