Penyelesaian dari sistem persamaan:
3x + 7y + 2z = 8
4x + 2y - 5z= -19
6y - 4z = 14
adalah . . . .
Penilaian SPLTV
Quiz
•
Mathematics
•
10th Grade
•
Hard
lina aris
Used 8+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Penyelesaian dari sistem persamaan:
3x + 7y + 2z = 8
4x + 2y - 5z= -19
6y - 4z = 14
adalah . . . .
x = 5, y = 3, z = 1
x = 4, y = -5, z = 1
x = -3, y = 4, z= 1
x = -5, y = 3, z = 2
x = -5, y = 3, z = 1
2.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Himpunan penyelesaian dari:
x - 2y + z = 6
3x + y - 2z = 4
7x - 6y - z = 10
adalah . . . .
x = 5, y = 3, z = 7
x = 4, y = 5, z = 3
x = 2, y = 4, z = 8
x = 1, y = 4, z = 5
x = 1, y = 2, z = 3
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Toko alat tulis ''99'' menjual alat tulis berisi buku tulis, spidol, dan pulpen dalam 3 jenis paket, sebagai berikut.
Paket A: 5 buku, 2 spidol, 3 pulpen seharga Rp41.000
Paket B: 3 buku, 3 spidol, 2 pulpen seharga Rp29.000
Paket C: 6 buku, 4 spidol, 3 pulpen seharga Rp50.000
Model SPLTV yang paling tepat adalah . . . .
5x + 2y + 3z = 41.000
3a + 3b + 2c = 29.000
6a + 4b + 3c = 50.000
3x + 3y + 2z = 41.000
5a + 2b + 3c = 29.000
6x + 4y + 3z = 50.000
3x + y + 2z = 50.000
2x + 2y + 3z = 29.000
x + 2y + 2z = 41.000
5x + y + 3z = 41.000
3x + 3y + 2z = 50.000
6x + 4y + 3z = 29.000
5x + 2y + 3z = 41.000
3x + 3y + 2z = 29.000
6x + 4y + 3z = 50.000
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Beni, Andi dan Nandi membeli buah di toko yang sama. Beni membeli 4 kg mangga, 1 kg salak, dan 2 kg dukuh seharga Rp54.000. Andi membeli 1 kg mangga, 2 kg salak, dan 2 kg dukuh seharga Rp43.000. Nandi membeli 3 kg mangga, 1 kg salak dan 1 kg duku seharga Rp37.750. Model SPLTV yang paling tepat adalah . . . .
4x + 2y + 2z = 54.000
a + 2b + 2z = 43.000
3x - y + z = 37.750
4x + y + 2z = 54.000
x - 2y - 2z = 37.750
3x - y + z = 54.000
2x + 2y + 3z = 43.000
x + 4y + 2z = 54.000
3x + y + z = 37.750
2x + 2y + 3z = 54.000
x + 4y + 2z = 43.000
3x + y + z = 37.750
4x + y + 2z = 54.000
x + 2y + 2z = 43.000
3x + y + z = 37.750
5.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Himpunan penyelesaian dari SPLTV berikut:
x + y + z = 2
3x - y + 2z = 4
2x + 3y + z =7
adalah . . . .
{3, 1, 2}
{3, -2, 1}
{-3, 1, 2}
{3, 1, -2}
{3, -2, -2}
6.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Himpunan penyelesaian dari SPLTV berikut:
2x + y = 4
x + 2z = 3
3y - z = 5
adalah . . . .
{2, 2, 1}
{2, 1, 1}
{1, -2, 1}
{1, 2, 1}
{1, -2, -1}
7.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Diketahui sistem persamaan berikut:
x + y + z = 3
3x - y + 2z = 4
x + y - z = 1
maka nilai x + y + z = . . . .
-3
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