
RELASI
Presentation
•
Mathematics
•
7th - 8th Grade
•
Hard
Made Asep Ridwan
Used 3+ times
FREE Resource
9 Slides • 0 Questions
1
Apa sih relasi itu??
Bagaimana cara menyatakan Relasi ke
dalam Diagram Panah??
2
Masih ingatkah kalian dengan materi Himpunan di Kelas VII?
3
Coba kalian sebutkan kumpulan benda apa saja yang ada di pasar?
4
Himpunan adalah kumpulan dari objek yang dapat diartikan secara jelas/tidak ambigu
Contoh:
A = {mangga, jeruk, apel, anggur, nanas}
B = {Matematika, Agama, PPkn, Bahasa Indonesia}
C = {2,3,5,7,11,13}
D = {Kumpulan tumbuhan di sekolahku}
E = {sawi, bayam, kangkung, wortel}
5
6
Rp. 12.000
Rp. 10.000
Rp. 15.000
Rp. 20.000
7
Jika diketahui:
Harga Nasi Goreng adalah Rp 10.000
Harga Bakso adalah Rp 12.000
Harga Ayam Goreng adalah Rp 20.000
Harga Mi Goreng adalah Rp 15.000
Misal, A = Himpunan Harga Makanan dan B = Himpunan Makanan.
Maka dapat dibuat:
A = {Rp 10.000, Rp 12.000, Rp 15.000, Rp 20.000}
B = {Nasi Goreng, Bakso, Ayam Goreng, Mi Goreng}
8
Rp 10.000
Rp 12.000
Rp 15.000
Rp 20.000
Nasi Goreng
Bakso
Ayam Goreng
Mi Goreng
Harga Dari
"Harga Dari" adalah Relasi yang menghubungkan Himpunan A ke Himpunan B
Jadi, Relasi adalah aturan yang menghubungkan dua himpunan
9
Diketahui Himpunan A = {1,2} dan Himpunan B = {3,4,5,6,8}. Nyatakanlah relasi “faktor dari” dari Himpunan A ke Himpunan B dalam bentuk diagram panah!
Pak Idris mempunyai tiga orang anak, bernama Faisal, Alu, dan Riski. Pak Sugandar mempunyai dua orang anak, yaitu Suna dan Firman. Nyatakan dalam diagram panah relasi “ayah dari” dari himpunan ayah ke himpunan anak
By: Made Asep Ridwan
Apa sih relasi itu??
Bagaimana cara menyatakan Relasi ke
dalam Diagram Panah??
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