

Barisan dan deret geometri
Presentation
•
Mathematics
•
8th Grade
•
Medium
Dewi Retno
Used 15+ times
FREE Resource
3 Slides • 8 Questions
1
Pemahaman barisan dan deret geometri

2
Poll
apa yang kamu ingat tentang barisan dan deret geometri?
memiliki suku pertama yaitu a atau U1
memiliki beda yaitu selisih dua suku bedekatan
memiliki rasio yaitu perbandingan dua suku berurutan
3
Multiple Choice
manakah yang benar tentang rasio
U2U1
U3U4
U1U3
U4U3
4
perhatikan soal berikut
Sebuah tali dipotong menjadi 6 bagian berbeda ukuran dan membetuk barisan goometri. dengan potongan terpendekadalah 3 cm dan potongan terpanjangadalah 96 cm. Berapakah panjang tali sebelum dipotong? …
5
Poll
tadi soalnya tentang barisan apa?
Aritmatika
Geometri
6
Fill in the Blanks
Type answer...
7
Multiple Choice
suku pertama pada soal tersebut adalah...
6
3
96
93
8
Multiple Choice
Berapakah suku ke 6 pada soal tersebut
3
6
93
96
9
Multiple Choice
apa yang ditanya pada soal tersebut?
Un
Sn
10
Multiple Choice
manakah rumus yang digunakan untuk menyelesaikan soal tersebut
Un=a+(n−1)b
Un=a×r(n−1)
Sn barisan aritmatika
Sn barisan geometri
11
tulislah di buku tulismu
U1 = 3 cm dan lanjutkan U2 =..., U3 = ... sampai dengan U6 =96
Pemahaman barisan dan deret geometri

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