
SPLDV
Presentation
•
Mathematics
•
8th Grade
•
Hard
Standards-aligned
Yusuf Marlian
Used 4+ times
FREE Resource
15 Slides • 2 Questions
1
matematika
2
sistem
persamaan
linier dua
variabel
3
bentuk umum :
dengan :
a , b = Koefisien
x, y = variabel
c = konstanta
ax + by = c
contoh :
2x + 3y = 12
x + 4y = 36
ada beberapa cara yang dapat dilakukan untuk
menyelesaikan permasalahan SPLDV seperti grafik, eliminasi,
subtitusi, dan campuran.
4
grafik
5
6
eliminasi
7
eliminasi
contoh :
Santi dan Tiara pergi ke pasar Helvetia untuk membeli Tomat
dan Timun. Santi membeli 2 kg Tomat dan 4 kg Timun seharga
Rp.40.000,00, kemudian Tiara membeli 3 kg Tomat dan Timun
seharga 5 kg dengan harga Rp.76.000,00. Tentukan harga 1
kg Tomat....
8
penyelesaian...
9
substitusi
10
substitusi
Nina dan Joko pergi ke kantin sekolah untuk membeli pulpen dan buku
tulis. Nina membeli 2 Pulpen dan 3 Buku tulis seharga Rp.19.000,
sedangkan joko membeli 4 Pulpen dan 2 Buku tulis seharga Rp.18.000.
Jika Irma ingin membeli 1 pulpen dan 5 buku tulis, berapa uang yang
harus dibayar Irma...
11
penyelesaian...
12
campuran
13
campuran
Adit dan Imelda pergi membeli buah ke pasar. Adit
membeli 3 kg apel dan 2 kg jeruk seharga
Rp.111.000,00 sedangkan Imelda membeli 2 kg Apel
dan 4 kg jeruk seharga Rp.100.000,00. jika Adit
ingin membeli 5 kg Apel lagi, berapa uang yang
harus ditambah Adit...
14
penyelesaian...
15
Mari kita latihan
16
Fill in the Blanks
Type answer...
17
Fill in the Blanks
Type answer...
matematika
Show answer
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