
Deret Aritmetika
Presentation
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Miftah Ashidiqi
Used 5+ times
FREE Resource
0 Slides • 8 Questions
1
Multiple Choice
Rumus deret aritmetika adalah
Sn=21n(2a+(n−1)b)
Sn=21n(a+Un)
Sn=21a(2n(n−1)b)
Sn=21n(2n(1−a)b)
Sn=21b(2a(n−1)b)
2
Multiple Choice
tentukan jumlah 20 suku pertama deret 3+7+11+.....
820
850
800
810
280
3
Multiple Choice
suatu barisan aritmetika dengan suku ke 4 adalah 12 dan suku ke 12 adalah -28. tentukan jumlah 15 suku pertama!
-300
-399
-310
-301
-350
4
Multiple Choice
suatu deret aritmetika dengan S12=150 dan S11=100. tentukan U12
50
40
-50
60
-40
5
Multiple Choice
Suatu barisan aritmetika dirumuskan Un = 6n – 2 tentukan rumus Sn !
Sn=3n2+n
Sn=6n2+n
Sn=2n2+n
Sn=13n2+n
Sn=4n2+n
6
Multiple Choice
Tentukan jumlah semua bilangan ganjil antara 10 dan 200 !
9975
9974
9957
9978
9999
7
Multiple Choice
Hasil dari 5 + 7 + 9 + 11 + ... + 41 adalah ...
437
997
9957
9978
9999
8
Multiple Choice
Suatu barisan aritmatika diketahui suku ke 6 adalah –4 dan suku ke 9 adalah –19,
maka suku ke 11 adalah...
-29
-34
-19
-24
-14
Rumus deret aritmetika adalah
Sn=21n(2a+(n−1)b)
Sn=21n(a+Un)
Sn=21a(2n(n−1)b)
Sn=21n(2n(1−a)b)
Sn=21b(2a(n−1)b)
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