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Verified answer
Bab Persamaan KuadratMatematika SMA Kelas X
x - 4y = 1
x = 4y + 1
x² - 5x - y + 4 = 0
(4y + 1)² - 5 (4y + 1) - y + 4 = 0
16y² + 8y + 1 - 20y - 5 - y + 4 = 0
16y² - 13y = 0
y (16y - 13) = 0
y = 0 atau 16y - 13 = 0
16y = 13
y = 13/16
untuk y = 0
x = 4y + 1
= 4 . 0 + 1
= 1
(1, 0)
untuk y = 13/16
x = 4y + 1
= 4 . (13/16) + 1
= 13/4 + 1
= 1 13/4
= 17/4
(17/4, 13/16)
HP = { (1, 0), (17/4, 13/16) }