|6x-11|=7 cara menentukan persamaan mutlak bagaimana? di jawab gan
Matematika
NEW23
Pertanyaan
|6x-11|=7 cara menentukan persamaan mutlak bagaimana?
di jawab gan
di jawab gan
1 Jawaban
-
1. Jawaban Anonyme
Bab Nilai Mutlak
Matematika SMA Kelas X
|6x - 11| = 7
6x - 11 = 7
6x = 11 + 7
6x = 18
x = 3
6x - 11 = - 7
6x = 11 - 7
x = 4/6
x = 2/3
HP = {2/3, 3}
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|6x - 11| = 7
(6x - 11)² = 7²
(6x - 11)² - 7² = 0
(6x - 11 + 7) (6x - 11 - 7) = 0
(6x - 4) (6x - 18) = 0
6x - 4 = 0 atau 6x - 18 = 0
6x = 4 6x = 18
x = 4/6 x = 18/6
x = 2/3 x = 3
HP = {2/3, 3}