
SPLDV
Authored by Diah Laila
Mathematics
8th Grade
Used 8+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Tentukan penyelesaian dari SPLDV berikut ini dengan metode substitusi:
x + y = 8
2x + 3y = 19
x = 5 dan y = 3
x = 3 dan y = 5
x = -5 dan y = 3
x = 5 dan y = -3
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Perhatikan masalah berikut ini!
Weekend lalu keluarga Pak Ahmad dan Keluarga Pak Budi wisata ke Kids Fun Yogyakarta. Pak Ahmad membeli 2 tiket dewasa dan 3 tiket anak-anak dengan harga Rp 210.000,00. Sedangkan Pak Budi membeli 3 tiket dewasa dan 1 tiket anak-anak dengan harga Rp 140.000,00. Model matematika untuk masalah tersebut adalah….
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Penyelesaian dari sistem persamaan
3x + 7y + 2z = 8
4x + 2y – 5z = -19
6y – 4z = 14
adalah .....
A. x = 5, y = 3, dan z = 1
B. x = 4, y = -5, dan z = 1
C. x = -3, y = 4, dan z = 1
D. x = -5, y = 3, dan z = 2
E. x = -5, y = 3, dan z = 1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hitunglah nilai x dan y dari sistem persamaan linear dua variabel berikut:
x = 110 dan y = 170
x = 170 dan y = 100
x = 100 dan y = 170
x = 170 dan y = 110
x = 100 dan y = 110
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ali, Badar, dan Carli berbelanja di sebuah toko buku. Ali membeli dua buah buku tulis, sebuah pensil, dan sebuah penghapus. Ali harus membayar Rp 4.700,00. Badar membeli sebuah buku tulis, dua buah pensil, dan sebuah penghapus dan Badar harus membayar Rp 4.300,00 . Carli membeli tiga buah buku tulis, dua buah pensil, dan sebuah penghapus Carli harus membayar Rp7.100,00.
Maka model matematika yang tepat untuk pernyataan di atas adalah . . . . . . .
2x + y + z = 4.700
x + 2y + z = 4. 300
3x + 2y + z = 7. 100
2x + y + z = 4.700
2y - x + z = 4. 300
3x + 2y + z = 7. 100
2x + y + z = 4.700
x + 2y + z = 4. 300
2y + 3z + 2z = 7. 100
2x + y + z = 4.700
x + 2y - z = 4. 300
3x - 2y + z = 7. 100
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika x dan y memenuhi sistem persamaan :
Nilai x + y sama dengan
6
4
- 2
- 6
- 8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika merupakan penyelesaian dari sistem persamaan . Maka nilai dari adalah... .
-2
-1
0
1
2
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