Quiz about Deret Aritmatika

Question 1

Rumus Umum dari Deret Aritmatika adalah ...

Accepted Answer

$$Un=\frac{n}{2}\left(2a+\left(n-1\right)b\right)$$

Answer

$$Un\ =\ 2a+b$$

Answer

$$Un\ =\ a\ \left(n-1\right)b$$

Answer

$$Un=\frac{n}{2}\left(u_{n\ }+2a\right)$$

Answer

$$Un=a+\left(n-1\right)b$$

Question 2

perhatikan deret bilangan berikut: 1 + 4 + 7 + 10 + 13 + ......

Jumlah 10 suku pertama dari deret bilangan di atas adalah ....

Accepted Answer

145

Answer

147

Answer

150

Answer

153

Answer

156

Question 3

Tentukan suku pertama dari 125,115, 105, 95, 85,...

Accepted Answer

125

Answer

85

Answer

95

Answer

105

Answer

115

Question 4

Tentukan jumlah 6 suku pertama dari deret aritmatika 2+7+12+...

Accepted Answer

87

Answer

57

Answer

77

Answer

90

Answer

60

Question 5

Deret aritmatika 1, 4, 7, 10, .... mempunyai beda ....

Accepted Answer

3

Answer

1

Answer

2

Answer

4

Answer

5

Question 6

diketahui deret aritmatika 1, 5, 9, 13, ....

suku ke- 2 dan suku ke- 5 dari deret aritmatika di atas adalah ....

Accepted Answer

5 dan 17

Answer

1 dan 5

Answer

5 dan 9

Answer

9 dan 13

Answer

9 dan 17

Question 7

Hitung jumlah 10 suku pertama dari deret aritmatika 3, 8, 13, ...

Accepted Answer

75

Answer

65

Answer

70

Answer

80

Answer

85

Question 8

Carilah suku ke-7 dari deret aritmatika 4, 9, 14, ...

Accepted Answer

38

Answer

35

Answer

36

Answer

37

Answer

39

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