
AP Barisan Aritmatika
Presentation
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
Devi Riastiningsih
Used 1+ times
FREE Resource
7 Slides • 10 Questions
1
BARISAN ARITMATIKA
Devi Riastiningsih
2
Draw
Gambar emotion yang mewakili perasaanmu pagi ini !
3
Pengertian
Barisan Aritmatika
Barisan aritmatika adalah barisan atau urutan bilangan yang memiliki selisih tetap.Contohnya seperti pada pembukaan artikel ini, yaitu urutan bilangan 1, 3, 5, 7, 9, 11, 13, 15, dan seterusnya.
4
Rumus Suku ke-n
Un = a + ( n - 1 ) b
Dengan :
Un = Suku ke - n
a = suku pertama
b = beda / selisih
5
Dalam budidaya perikanan, kebutuhan pakan ikan biasanya meningkat secara bertahap seiring dengan pertumbuhan ikan. Anda dapat menggunakan barisan aritmatika untuk menghitung jumlah pakan yang dibutuhkan setiap hari atau setiap minggu. Misalnya, jika kebutuhan pakan awal adalah 100 gram dan meningkat 20 gram setiap hari, maka kebutuhan pakan pada hari ke- 10 adalah .....gram.
Contoh :
6
Jawab :
a = 100 gram
b = 20 gram
n = 10
Un = a + ( n - 1 ) b
U10 = 100 + ( 10 - 1 ) 20
U10 = 100 + 9.20 = 100 + 180 = 280 gram.
Jadi , kebutuhan pakan di hari ke - 10 adalah 280 gram.
7
Latihan Soal
8
Fill in the Blanks
9
Fill in the Blanks
10
Fill in the Blanks
11
Multiple Choice
Beda / selisih dari barisan bilangan berikut adalah ...
16, 14, 12, 10, ....
2
4
-2
4
1
12
Multiple Choice
Suku ke - 100 dari barisan bilangan : 5, 8, 11, .... adalah,,,
297
300
305
302
307
13
Fill in the Blanks
14
Fill in the Blanks
15
Fill in the Blanks
16
Audio Response
Bagaimana perasaanmu setelah belajar matematika hari ini ?

17
Terima Kasih
BARISAN ARITMATIKA
Devi Riastiningsih
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