
DERET GEOMETRI-2
Authored by Suparno Soplo
Mathematics
11th Grade
CCSS covered
Used 13+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jumlah deret geometri tak hingga berikut:
8 + 4 + 2 + 1 + ....
adalah ...
32
16
18
64
Tags
CCSS.HSA.SSE.A.1
CCSS.HSF.BF.A.1
CCSS.HSF.BF.A.2
CCSS.HSF.IF.A.3
CCSS.HSF.LE.A.2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jumlah deret geometri tak hingga berikut:
54 + 36 + 24 +16 + ...
adalah ....
172
182
162
192
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suku pertama suatu deret geometri adalah 1 dan suku ke–4 sama dengan 27. Jumlah enam suku pertama deret tersebut adalah . . . .
81
121
243
364
729
Tags
CCSS.HSA.SSE.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seutas tali dipotong menjadi tujuh bagian,dan panjang masing-masing potongan membentuk barisan geometri.Jika panjang potongan tali terpendek=6 cmdan panjang potongan tali terpanjang=384 cm,panjang keseluruhan tali tersebut adalah . . . .
378
390
570
762
1570
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pertambahan penduduk suatu kota setiap tahun mengikuti aturan barisan geometri. Pada tahun 1996 pertambahannya sebanyak 6 orang, tahun 1998 sebanyak 54 orang . pertambahan penduduk pada tahun 2001 adalah . . . .
1458 orang
1358 orang
324 orang
162 orang
60 orang
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu bahan radio aktif yang semula berukuran 125 gram mengalami reaksi kimia sehingga menyusut 12 % dari ukuran sebelumnya setiap 12 jam secara eksponensial.Ukuran bahan radioaktif tersebut setelah tiga hari adalah . . . .
55,5 gram
58,05 gram
46,4 gram
40,4 gram
38,5 gram
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Jika jumlah deret geometri tak hingga adalah 9 dan suku pertamanya adalah 3, maka rasio dari deret geometri tak hingga tersebut adalah ....
1/2
3/2
1/3
2/3
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