Deret Aritmetika Lesson Slides: 3 Slides (Grade 10)

3 Slides • 6 Questions

1

Deret Aritmetika

2

3

Post Test

4

Multiple Choice

Seseorang mempunyai sejumlah uang yang akan diambil tiap bulan yang besarnya mengikuti aturan barisan aritmetika. Pada bulan pertama diambil Rp1.000.000,00, bulan kedua Rp925.000,00, bulan ketiga Rp850.000,00, demikian seterusnya. Jumlah seluruh uang yang telah diambil selama 12 bulan pertama adalah …

1

Rp6.750.000

2

Rp7.050.000

3

Rp7.175.000

4

Rp7.225.000

5

Rp7.300.000

5

Fill in the Blanks

Jumlah deret 7 + 11 + 15 + ... + 71 adalah...

Type answer...

6

Multiple Select

Rumus jumlah n suku pertama adalah...

1

$S_n=\frac{n}{2}\left(a+U_n\right)$

2

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

3

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

4

$S_n=\frac{n}{2}\left(2a+b\right)$

5

$S_n=\frac{n}{2}\left(2a-b\right)$

7

Multiple Choice

Suku ke - n suatu deret aritmatika adalah Un = 3n - 5. Rumus jumlah n suku yang pertama deret tersebut adalah...

1

$S_n=\frac{n}{2}\left(3n-7\right)$

2

$S_n=\frac{n}{2}\left(3n-5\right)$

3

$S_n=\frac{n}{2}\left(3n-4\right)$

4

$S_n=\frac{n}{2}\left(3n-3\right)$

5

$S_n=\frac{n}{2}\left(3n-2\right)$

8

Fill in the Blanks

Perhatikan deret bilangan berikut: 6 + 4 + 2 + 0 + ....

Jumlah 11 suku pertama dari deret bilangan di atas adalah ....

Type answer...

9

Fill in the Blanks

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

Jumlah 10 suku pertama dari deret bilangan di atas adalah

Type answer...

Deret Aritmetika

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