
Barisan Geometri
Authored by Theresia Debora
Mathematics
8th Grade
Used 1+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
a. −2
d. 2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Diketahui 34, 36, 38, 310...
Tentukan suku ke−12.
a. 322
b. 324
c. 326
d. 328
3.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
b. 4
c. 16
d. 64
4.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
Suatu barisan geometri diketahui suku ke−3 adalah 3 dan suku ke−6 adalah 81.
Tentukan suku ke−8.
a. 512
b. 681
c. 712
d. 729
5.
MULTIPLE CHOICE QUESTION
5 mins • 2 pts
Pada suatu barisan geometri diketahui suku ke−3 = 18 dan suku ke−6 = 486.
Tentukan suku pertama pada barisan tersebut.
a. 2
b. 3
c. 4
d. 6
6.
MULTIPLE CHOICE QUESTION
5 mins • 3 pts
Setiap bakteri akan membelah diri menjadi 2. Jika suatu jenis bakteri membelah diri setiap 30 menit dan banyak bakteri mula-mula berjumlah 15, tentukan banyak bakteri tersebut setelah 3 jam.
a. 330
b. 660
c. 750
d. 960
7.
MULTIPLE SELECT QUESTION
5 mins • 4 pts
a. −3
b. −1
c. 1
d. 3
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