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PH MTK Wajib Kelas XI Baris & Deret 2019/2020

Authored by syifa sativa

Mathematics

11th Grade

Used 67+ times

PH MTK Wajib Kelas XI Baris & Deret 2019/2020
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suku ke – 15 dari barisan aritmetika 70, 61, 52, … adalah…

-74

-65

-56

-47

-38

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui barisan aritmetika  \frac{1}{2},\frac{5}{6},\frac{7}{6},\ ...\ ,\ \frac{21}{2}.   Jika   Un=212U_{n_{ }}=\frac{21}{2} , nilai n yang memenuhi adalah…

28

29

30

31

32

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika pada suatu barisan aritmetika memiliki   U_5\ dan\ U_{25}  dan  berturut-turut 4 dan 14, nilai  U21=...U_{21}=...  

12

14

16

18

20

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jumlah 50 suku pertama deret aritmetika 50 + 48 + 46 + … adalah…

98

50

0

-52

-106

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui rumus suku ke – n barisan aritmetika adalah  U_n=4n-5 . jumlah 12 suku pertama barisan tersebut adalah…

170

209

252

299

350

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suku ke – 15 dari barisan geometri  \frac{1}{32},\frac{1}{16},\frac{1}{8},\frac{1}{4},...   adalah…

128

256

512

1.024

2.048

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Dari suatu barisan geometri diketahui suku ketiga adala 4 dan suku ketujuh adala 324, suku keenam barisan itu adalah…

102

108

216

284

294

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