
Barisan Dan Deret Aritmetika

Quiz
•
Mathematics
•
University
•
Hard
EVIN SUSANTI
Used 10+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rumus umum suku ke-n untuk barisan -1,1,3,5,7,..... adalah.....
Un = n+5
Un = 2n-1
Un = 2n-3
Un = 2n-6
Un = 3n-2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui barisan aritmetika: 4,1,-2,-5,......,suku ke-10 barisan tersebut adalah......
-23
23
32
-32
42
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui suku ke-5 dan suku ke-9 dari suatu barisan bilangan aritmetika adalah 18 dan 6. Suku ke-3 barisan tersebut adalah........
24
64
23
63
14
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Dari suatu deret aritmetika diketahui suku pertama adalah 20 dan suku keenam adalah 40. Jumlah 10 suku pertama dari deret tersebut adalah........
360
380
480
390
400
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
a + (a+1) + (a+2) + ...... + 50 = 1.139 . Jika a bilangan bulat positif, maka nilai a = ........
11
3
9
17
19
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui barisan aritmetika sebagai berikut: 5,8,11,.... Tentukan nilai suku ke-15.
41
45
49
43
47
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Segitiga tersebut tersusun atas batang-batang lidi. Banyak segitiga kecil pada pola ke-7 adalah....
45
65
95
55
35
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