
SISTEM PERSAMAAN LINIER
Authored by astuti endang
Mathematics
1st Grade
CCSS covered
Used 12+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Carilah himpunan penyelesaian dari sistem persamaan berikut :
5x-3y+2z = 3
8x-5y+6z = 7
3x+4y-3z = 15
{(2, 3,1) }
{(1,2,3)}
{(2,3,4)}
{(3,4,5)}
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Pak Budi memiliki toko kelontong yang menjual campuran beras A, beras B dan beras C yang dijual dengan klasifikasi berikut :
- Campuran 3 kg beras A, 2 kg beras B dan 2 kg beras C dijual seharga Rp. 19.700,00
- Campuran 2 kg beras A, 1 kg beras B dan 2 kg beras C dijual seharga Rp. 14.000,00
- Campuran 2 kg beras A, 3 kg beras B dan 1 kg beras C dijual seharga Rp. 17.200,00
Hitunglah harga tiap kg beras C!
Rp. 3.000,00
Rp. 2.800,00
Rp. 2.600,00
Rp. 2.400,00
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui x : y = 5 : 3, sedangkan y : z = 4 : 5
. Jika diketahui 2(x+y+z) = 94, maka nilai 3y = ...
12
15
20
36
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui sistem persamaan
Nilai x + y + z = ...
3
2
1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui Deksa 4 tahun lebih tua dari Elisa. Diketahui juga bahwa Elisa 3 tahun lebih tua dari Firda. Jika jumlah umur Deksa, Elisa dan Frida adalah 58 tahun, maka jumlah umur Deksa dan Firda adalah ...
52 tahun
45 tahun
39 tahun
35 tahun
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui harga 4 kg salak, 1 kg jambu dan 2 kg kelengkeng adalah Rp. 54.000,00. Harga 1 kg salak, 2 kg jambu dan 2 kg kelengkeng adalah Rp. 43.000,00. Harga 3 kg salak, 1 kg jambu dan 1 kg kelengkeng adalah Rp. 37.750,00. Harga 1 kg jambu adalah ...
Rp. 8.500,00
Rp. 7.000,00
Rp. 6.500,00
Rp. 5.000,00
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jumlah tiga bilangan adalah 75. Bilangan pertama lima lebihnya dari jumlah dua bilangan lain. Bilangan kedua sama dengan dari jumlag dua bilangan lain. Bilangan pertamanya adalah ...
40
35
30
20
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