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Barisan dan Deret

Authored by Dahlia F

Mathematics

12th Grade

Used 950+ times

Barisan dan Deret
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10 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Rumus suku ke-n dari barisan  5, 10, 15, 20, 25, ...5,\ 10,\ 15,\ 20,\ 25,\ ...  

 Un=5nU_n=5-n  

 U_n=5n  

 Un=n5U_n=n-5  

 Un=5n1U_n=5n-1  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Berikut yang termasuk barisan aritmatika adalah ....

15, 12, 9, 6, 3, ...15,\ 12,\ 9,\ 6,\ 3,\ ...

12, 1, 2, 4, 8, ...\frac{1}{2},\ 1,\ 2,\ 4,\ 8,\ ...

13, 1,3, 9, 27, ...-\frac{1}{3},\ 1,-3,\ 9,\ -27,\ ...

4, 2, 1, 12, 14, ...4,\ 2,\ 1,\ \frac{1}{2},\ \frac{1}{4},\ ...

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Rumus suku ke-n dari deret berikut  2+5+8+11+...2+5+8+11+...  

 Un=2nU_n=2n  

 Un=3nU_n=3n  

 Un=2n1U_n=2n-1  

 Un=3n1U_n=3n-1  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Deret berikut yang mempunyai beda = 6beda\ =\ 6   kecuali ....

 201482...-20-14-8-2-...  

 3+9+15+21+...3+9+15+21+...  

 72+66+60+54+...72+66+60+54+...  

 2+8+14+20+...2+8+14+20+...  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Barisan berikut yang merupakan barisan geometri yaitu ....

12, 8, 4, 0, ...-12,\ -8,\ -4,\ 0,\ ...

16, 8, 4, 2, ...16,\ -8,\ 4,\ -2,\ ...

10, 14, 18, 22, ...10,\ 14,\ 18,\ 22,\ ...

20, 14, 8, 2, ...-20,\ -14,\ -8,\ -2,\ ...

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Jumlah 20 suku pertama dari deret  2+5+8+11+...2+5+8+11+...  

 5151  

 7171  

 600600  

 610610  

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 Pernyataan berikut yang sesuai dengan deret  2+5+8+11+...2+5+8+11+...  KECUALI ...

 suku pertama = 2suku\ pertama\ =\ 2  

  beda = 3beda\ =\ 3  

 S20=71S_{20}=71  

 S_{20}=610  

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