Tugas 4 : Barisan dan Deret Aritmetika

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Pebriana Astuti
Used 5+ times
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10 questions
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1.
FLASHCARD QUESTION
Front
Apa itu barisan aritmetika?
Back
Barisan aritmetika adalah baris yang nilai setiap sukunya didapatkan dari suku sebelumnya melalui penjumlahan atau pengurangan dengan suatu bilangan.
2.
FLASHCARD QUESTION
Front
Apa rumus untuk menghitung suku ke-n dari barisan aritmetika?
Back
Rumusnya adalah U_n = a + (n-1)b.
3.
FLASHCARD QUESTION
Front
Suku ke-40 dari barisan 7, 5, 3, 1, ... adalah berapa?
Back
Suku ke-40 adalah -71.
4.
FLASHCARD QUESTION
Front
Apa rumus suku ke-n dari barisan 5, -2, -9, -16, ...?
Back
Rumusnya adalah U_n = 12 - 7n.
5.
FLASHCARD QUESTION
Front
Banyaknya kursi pada baris ke-20 dalam suatu gedung pertunjukan adalah berapa?
Back
Banyaknya kursi pada baris ke-20 adalah 50 kursi.
6.
FLASHCARD QUESTION
Front
Apa rumus untuk menghitung banyaknya kursi pada baris ke-20?
Back
7.
FLASHCARD QUESTION
Front
Apa itu deret aritmetika?
Back
Deret aritmetika adalah penjumlahan suku-suku dari barisan aritmatika.
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