Apabila diketahui suku ke-n suatu barisan adalah Un = 5-2n2, maka selisih antara suku ke-3 dan ke-5 adalah …
Quiz Kelas VIIIA

Quiz
•
Mathematics
•
12th Grade
•
Hard
I .
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
-32
25
32
-25
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Diketahui suatu barisan bilangan 1, 4, 7, 10, …. Memenuhi pola bilangan Un = an + b. Dengan begitu, suku ke-10 dari barisan tersebut adalah …
22
28
33
31
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
U9 dari pola bilangan persegi panjang 2, 6, 12, … adalah …
90
91
-90
81
4.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Pola bilangan untuk barisan 44,41,38,35,32,⋯44,41,38,35,32,⋯ memenuhi rumus…
Un=46−2n
Un=47−3n
Un=44−n
Un=3n+41
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika suatu barisan 2,8,32,128,⋯ memenuhi rumus Un=2an+b maka nilai a×b=⋯
1
-1
2
-2
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Diketahui barisan geometri 2, 10, 50, 250,… maka nilai U8 ialah …
56.750
150.000
156.000
78.125
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jika diketahui 4, 8, 18-x merupakan deret geometri. Maka nilai x adalah…
2
3
4
6
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