Nilai suku ke-17 barisan aritmetika 8,5,2,-1,...

Please, let me answer your question :)
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Mapel : Matematika
Tentang : Barisan Aritmatika
Pertanyaan yg diajukan : 1
Pembahasan :

Diketahui :
- Barisan : 8,5,2,-1,.... (Aritmatika)
- Beda (b) : 5 - 8 : -3
- Suku Pertama (U1) : 8

Ditanya :
- U17

Cara :

U17 = U1 + (n - 1) x b
U17 = 8 + (17 - 1) x (-3)
U17 = 8 + 16 x (-3)
U17 = 8 + (-48)
U17 = -40

Jadi, Suku ke 17 adalah -40

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Hopefully this is the best for you. And please, MAKE BRAINLY GREAT AGAIN!!!

✚ Heil Manstein! ✚