Nilai m pada barisan geometri 1, 2, 4, 8, 16, m, 64, ... adalah ...
Remedial Matematika kelas VIII Pola Bilangan
7th - 8th Grade
•20 Qs
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Remedial Matematika kelas VIII Pola Bilangan
Quiz
•
Mathematics
•
7th - 8th Grade
•
Medium
Irma Nurlistianti
Used 25+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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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