Barisan Geometri 8-1

Barisan Geometri 8-1

1st Grade

10 Qs

quiz-placeholder

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Barisan Geometri 8-1

Barisan Geometri 8-1

Assessment

Quiz

Mathematics

1st Grade

Medium

Created by

Seprianto Gisisi

Used 2+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Apa yang dimaksud dengan rasio pada barisan geometri?

Selisih antara dua suku berurutan.

Hasil bagi antara dua suku berurutan.

Jumlah dari dua suku berurutan.

Perkalian antara dua suku berurutan.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Manakah dari barisan berikut yang merupakan barisan geometri?

2, 4, 6, 8, ...

1, 3, 9, 27, ...

5, 10, 15, 20, ...

1, 4, 9, 16, ...

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rumus suku ke-n pada barisan geometri adalah...

Un = a + (n-1)b

Un = ar^(n-1)

Sn = n/2 (a + Un)

Sn = a(r^n - 1) / (r-1)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui barisan geometri 2, 4, 8, ... Suku ke-5 adalah...

10

12

16

32

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika suku pertama suatu barisan geometri adalah 3 dan rasionya 2, maka suku ke-3 adalah...

6

9

12

7

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suku tengah dari barisan geometri 2, 4, 8, 16, 32 adalah...

4, 8, dan 16

4 dan 16

16

8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui barisan geometri 9, 3, 1, ... Rasio dari barisan tersebut adalah...

3

2/3

1/3

-3

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