Barisan aritmatika

Interactive Video
•
Mathematics
•
10th Grade
•
Hard
Debora Fallo
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika rumus suku ke-n dari suatu barisan adalah Un = 5 – 2n2 , maka selisih suku ketiga dan kelima adalah ….
A. 32
B. – 32
C. 28
D. – 28
25
32
-32
28
25
-28
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa definisi dari barisan bilangan?
Kumpulan angka acak.
Himpunan bilangan yang diurutkan menurut suatu aturan tertentu.
Deretan angka yang selalu bertambah.
Deretan angka yang selalu berkurang.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa sifat utama dari barisan aritmetika?
Rasio antara suku berurutan selalu sama.
Jumlah dua suku berurutan selalu sama.
Selisih antara suatu suku dengan suku sebelumnya selalu sama.
Setiap suku adalah hasil kali dari dua suku sebelumnya.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rumus suku ke-n barisan 1, 4, 7, 10, ... adalah ....
2n - 1
3n - 1
3n - 2
5n - 4
5.
MULTIPLE CHOICE QUESTION
30 sec • Ungraded
Apakah Anda menikmati pelajaran video tersebut?
Ya
Tidak
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah suku ke-28 dari barisan aritmetika 17, 14, 11, 8, ...?
-64
-60
-56
-52
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suku ke-4 dan suku ke-6 suatu barisan aritmetika berturut-turut adalah 4½ dan 5½. Berapakah suku ke-17 barisan tersebut?
7½
8
9½
11
12½
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