Barisan & Deret Aritmatika Lesson Slides: 12 Slides

12 Slides • 9 Questions

1

2

3

4

5

6

7

8

9

Multiple Choice

Rumus untuk menentukan suku ke-n pada barisan aritmatika adalah ... .

1

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

2

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

3

$ar^{n-1}$

4

$\frac{a}{1-r}$

5

$\frac{a\left(r^n-1\right)}{r-1}$

10

Fill in the Blanks

Perhatikan barisan aritmatika berikut 3, 13, 23, 33, ...

nilai beda dari barisan tersebut adalah ...

Type answer...

11

Multiple Choice

Rumus umum suku ke-n untuk barisan aritmetika −1, 1, 3, 5, 7, ⋯

adalah ...

1

$U_n=n+2$

2

$U_n=2n-1$

3

$U_n=2n-2$

4

$U_n=2n-3$

5

$U_n=3n-2$

12

Fill in the Blanks

Suku ke-24 dari barisan aritmetika 6, 9, 12, 15, ... adalah...

13

Multiple Choice

Diketahui barisan aritmatika dengan $U_4=7$ dan $U_9=17$ . Nilai a dan b barisan tersebut berturut-turut adalah...

1

1 dan 4

2

1 dan 3

3

1 dan 2

4

2 dan 3

5

3 dan 4

14

15

16

17

Multiple Choice

Rumus untuk menentukan jumlah n suku pertama pada deret aritmatika adalah ... .

1

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

2

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

3

$ar^{n-1}$

4

$\frac{a}{1-r}$

5

$\frac{a\left(r^n-1\right)}{r-1}$

18

Fill in the Blanks

Hitunglah jumlah 11 suku pertama deret aritmetika 2 + 4 + 6 + ...

19

Fill in the Blanks

Perhatikan barisan bilangan berikut:

5 + 2 - 1 - 4 - ....

Jumlah 56 suku pertama dari deret bilangan di atas adalah ....

20

Multiple Choice

Diketahui suku ketiga dan suku kelima dari deret aritmetika berturut-turut adalah 18 dan 24. Jumlah tujuh suku pertama deret tersebut adalah …

1

117

2

120

3

137

4

147

5

160

21

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