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Remedial Matematika kelas VIII Pola Bilangan

Authored by Irma Nurlistianti

Mathematics

7th - 8th Grade

Used 25+ times

Remedial Matematika kelas VIII Pola Bilangan
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20 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Nilai m pada barisan geometri 1, 2, 4, 8, 16, m, 64, ... adalah ...

30

31

32

33

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Bilangan yang tepat pada 3, 8, 13, ...23, ... adalah ...

17 dan 28

18 dan 28

19 dan 28

20 dan 29

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Dalam pertunjukkan terdapat 10 kursi pada baris pertama, 14 kursi pada baris kedua, dan seterusnya selalu bertambah 4. Jika terdapat 10 baris kursi banyak kursi seluruhnya adalah ...

10, 14, 18, ...

a= 10, b= 4

S10 = 10/2 (2a + 10b) = 5 (2(10) + 10(4)) = 5 (20+40) = 5 (60) = 300 kursi

10, 14, 18, ...

a= 10, b= 4

S10 = 10/2 (2a + 9b) = 5 (2(10) + 9(4)) = 5 (20+36) = 5 (56) = 280 kursi

10, 14, 18, ...

a= 10, b= 4

U10 = a + 10b = 10 + 10(4) = 10 + 40 = 50 kursi

10, 14, 18, ...

a= 10, b= 4

U10 = a + 9b = 10 + 9(4) = 10 + 36 = 46 kursi

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Jumlah 12 suku pertama bilangan genap adalah ...

2, 4, 6, 8, ...

a=2, b=2

S12= n/2 (2a + 12b) = 12/2 (2(2) + 12(2)) = 6(4+24)=6(30)= 180

2, 4, 6, 8, ...

a=2, b=2

S12= n/2 (2a + 11b) = 12/2 (2(2) + 11(2)) = 6(4+22)=6(26)= 156

2, 4, 6, 8, ...

a=2, b=2

U12= a + 12b = 2 + 12(2) = 2 + 24 = 48

2, 4, 6, 8, ...

a=2, b=2

U12= a + 11b = 2 + 11(2) = 2 + 22 = 24

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Bilangan pada pola ke 10 dari 1, 4, 7, 10, ... adalah ...

a = 1

b = 3

U10 = a + 9b = 1 + 9(3) = 1+27 = 28

S10 = 10/2 ( 2a+9b) = 5(2(1)+9(3)) = 5(2+27) = 5(29) = 145

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Urutan ke 10 dari 2, 5, 9, 14, ... adalah ...

2

5

9

65

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Suku ke 4 dan ke 5 dari barisan aritmatika 2, 5, 9, 14, ... adalah ...

14 dan 17

14 dan 18

14 dan 19

14 dan 20

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