Barisan dan deret Geometri
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
Sinta Rahmawati
Used 45+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Di bawah ini pengertian barisan geometri yang benar adalah...
Pola Bilangan yang selisih antar sukunya sama
Pola Bilangan yang rasio antar sukunya selalu sama.
Pola Bilangan yang suku pertamanya adalah 1
Pola Bilangan yang rasio antar sukunya berbeda
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Yang termasuk contoh barisan geometri adalah ...
2, 6, 10, 14, 18, ...
2, 4, 6, 8, 10, ...
2, 4, 8, 16, 32, ...
1, 3, 5, 7, 9, 11, ...
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui barisan bilangan sebagai berikut:
(i) 8, 4, 2, 1, 1/2, ...
(ii) 8, 6, 4, 2, 0, ...
(iii) 2, 6, 18, 54, 162
(iv) 270, 90, 30, 10, ...
yang termasuk barisan geometri yang benar adalah...
(i), (ii), dan (iii)
(i), (ii), dan (iv)
(i), (iii), dan (iv)
semua benar
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rasio adalah nilai perbandingan antara suatu suku dengan suku sebelumnya. Rasio antarsuku pada barisan: 2, 8, 32, 128, 512, ... adalah ...
4
8
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Rasio pada barisan geometri adalah ...
5
3
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
barisan geometri dengan rasio = 1/6 yang benar di bawah ini adalah ...
2, 6, 18, 54, 162,...
2, 12, 72, 436, ...
162, 54, 18, 6, 2, ...
436, 72, 12, 2 ...
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tiga istilah penting pada barisan geometri ada suku pertama = U1 = a, Rasio = r dan suku ke-n = Un
Pada barisan aritmatika 3, 12, 48, 192, 768, ...suku pertama (a), rasio (r) dan Suku ke-3 (U3) pada barisan tersebut berturut-turut adalah...
a = 3, r = 3, U3 = 48
a = 3, r = 4, U3 = 192
a = 3, r = 4, U3 = 48
a = 3, r = 4, U3 = 12
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