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Quiz Barisan Bilangan

Authored by OKTAVIA PUJI LESTARI

Mathematics

10th Grade

Used 1+ times

Quiz Barisan Bilangan
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45 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Barisan bilangan : 1, 4, 9, 16, .... Maka U1 adalah…

1

2

9

16

2.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Berapa tiga suku pertama suatu barisan yang rumus suku ke-n nya Un = 3n² - 2?

1,5,10

1,10,25

1,15,20

1,20,25

3.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Apa rumus suku ke-n dari barisan 4, 6, 8, 10, ....

Un = (2n - 1)²

Un = 2n + 2

Un = n + 2

Un = 2n - 1

4.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Berapa nilai n jika Un = n² + 1 = 17 ?

2

4

6

8

5.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Jumlah seluruh suku-suku dalam barisan dan dilambangkan dengan Sn disebut...

Deret

Garis bilangan

Pola

Rumus

6.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Diketahui suatu deret: 1+3+5+7+.... . Berapa jumlah dua suku yang pertama?

1

2

3

4

7.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Jika rumus suku ke-n dari suatu barisan adalah Un = 5 - 2n² , maka selisih suku ke-3 dan ke-5 adalah ...

32

-32

28

-28

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