Perhatikan pernyataan-pernyataan berikut!
(1) 2a + 3b = 6
(2) 12a – 9a = 3a
(3) 3x – 2y = 6
(4) x2 + 2x – 3 = 0
Persamaan linear dua variabel ditunjukkan oleh nomor ....
MATEMATIKA 9 S1 HAL 018 PTS
Quiz
•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Perhatikan pernyataan-pernyataan berikut!
(1) 2a + 3b = 6
(2) 12a – 9a = 3a
(3) 3x – 2y = 6
(4) x2 + 2x – 3 = 0
Persamaan linear dua variabel ditunjukkan oleh nomor ....
(1) dan (2)
(1) dan (3)
(2) dan (3)
(3) dan (4)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui persamaan linear dua variabel 3x – 7y = 4. Nilai x jika nilai y = 5 adalah ….
-18
-13
13
18
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui sistem persamaan linear dua variabel x + 2y = 1 dan 3x – y = 10. Himpunan penyelesaian dari sistem persamaan linear tersebut adalah ....
{(3, -1)}
{(3, 1)}
{(-3, -1)}
{(-3, 1)}
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui sistem persamaan linear dua variabel 4x – y = 13 dan 2x – 3y = 19. Nilai x + y adalah ....
-5
-3
-2
1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Harga 12 buku dan 8 pensil Rp36.000,00. Harga 20 buku dan 30 pensil dengan jenis yang sama Rp85.000,00. Jika x menyatakan banyak buku dan y menyatakan banyak pensil, model matematika yang tepat dari sistem persamaan linear tersebut adalah ....
3x + 4y = 18.000 dan 2x + 3y = 8.500
4x + 2y = 9.000 dan 3x + 2y = 8.500
2x + 3y = 9.000 dan 3x + 2y = 8.500
3x + 2y = 9.000 dan 2x + 3y = 8.500
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Harga 4 ekor kambing dan 2 ekor sapi Rp8.000.000,00. Harga satu ekor kambing dan 3 ekor sapi Rp8.250.000,00. Model matematika yang tepat dari sistem persamaan linear tersebut adalah ....
x + 3y = 8.250.000 dan 4x + 2y = 8.000.000
3x + y = 8.250.000 dan 2x + 4y = 8.000.000
x + 3y = 8.250.000 dan 4x + 2y = 8.000.000
x + 3y = 8.000.000 dan 4x + 2y = 8.250.000
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Harga 5 mangkuk bakso dan 4 gelas jus jeruk di rumah makan adalah Rp50.000,00. Harga 2 mangkuk bakso dan 3 gelas jus jeruk di tempat yang sama adalah Rp27.000,00. Model matematika yang tepat dari sistem persamaan linear tersebut adalah ....
3x + 2y = 27.000 dan 5x + 4y = 50.000
2x + 3y = 50.000 dan 5x + 4y = 27.000
2x + 3y = 27.000 dan 5x + 4y = 50.000
2x + 3y = 27.000 dan 4x + 5y = 50.000
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