
BARIS DAN DERET ARITMETIKA
Authored by Seprianto Gisisi
Mathematics
1st Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Barisan aritmetika: 3, 7, 11, 15, ... Suku pertama (a) dan beda (b) barisan tersebut adalah...
a = 3, b = 2
a = 3, b = 4
a = 2, b = 3
a = 4, b = 3
2.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Barisan aritmetika: 10, 7, 4, 1, ... Suku ke-10 barisan tersebut adalah...
-16
-19
-22
-25
3.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Deret aritmetika: 2 + 5 + 8 + ... Jumlah 10 suku pertama deret tersebut adalah...
155
165
175
185
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Barisan aritmetika: Suatu barisan memiliki suku ke-3 = 11 dan suku ke-6 = 17. Beda barisan tersebut adalah...
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Deret aritmetika: Jumlah n suku pertama suatu deret aritmetika dinyatakan dengan Sn = 3n² + 2n. Suku ke-5 deret tersebut adalah...
32
37
42
47
6.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Barisan aritmetika: Jika suku ke-n suatu barisan adalah Un = 2n + 1, maka suku ke-20 adalah...
39
41
43
45
7.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Deret aritmetika: Jumlah 20 suku pertama deret 3 + 7 + 11 + ... adalah...
820
840
860
880
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