BARISAN DAN DERET GEOMETRI X TSM
Interactive Video
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
Ipan Ipan
Used 1+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa definisi dari barisan geometri?
Suatu barisan bilangan yang mempunyai selisih yang sama.
Suatu barisan bilangan yang mempunyai rasio yang sama.
Suatu barisan bilangan yang mempunyai jumlah yang sama.
Suatu barisan bilangan yang mempunyai hasil kali yang sama.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Untuk barisan geometri 2, 6, 18, 54, ..., berapa nilai suku pertama (a) dan rasio (r)?
a = 2, r = 2
a = 3, r = 2
a = 2, r = 3
a = 3, r = 3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Untuk barisan geometri 3, 6, 12, 24, ..., berapa nilai suku pertama (a) dan rasio (r)?
a = 3, r = 2
a = 2, r = 3
a = 3, r = 3
a = 2, r = 2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa rumus umum untuk menentukan suku ke-n (Un) dari barisan geometri?
Un = a + (n-1)b
Un = a * r^n
Un = a * r^(n-1)
Un = a + n*r
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-6 dari barisan geometri 1, 2, 4, 8, ...?
16
32
64
128
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tentukan suku ke-7 dari barisan geometri 3, 6, 12, ...
96
128
192
256
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suku ke-6 barisan geometri adalah 1/8 dan rasionya 1/2. Berapakah suku pertamanya?
1
2
4
8
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu barisan geometri memiliki suku kedua 18 dan suku keempat 162. Berapakah suku keenam barisan tersebut?
486
729
1458
2187
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