Question

Tentukan HP dari persamaan berikut
Akar 5x-1 = x-3

Answer 1

Verified answer

Bab Persamaan Kuadrat
Matematika SMA Kelas X

√(5x - 1) = x - 3
√(5x - 1)² = (x - 3)²
5x - 1 = x² - 6x + 9
x² - 6x - 5x + 9 + 1 = 0
x² - 11x + 10 = 0
(x - 1) (x - 10) = 0
x - 1 = 0
x = 1

x - 10 = 0
x = 10

5x - 1 >= 0
5x >= 1
x >= 1/5

HP = { 1, 10 }