Diketahui sistem persamaan berikut:
x + y + z = 6
2x - y + z = 3
x + 2y + z = 1
Nilai x yang memenuhi sistem persamaan tersebut adalah...
SPLTV
Quiz
•
Mathematics
•
10th Grade
•
Hard
Susilo Ningtyas
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Diketahui sistem persamaan berikut:
x + y + z = 6
2x - y + z = 3
x + 2y + z = 1
Nilai x yang memenuhi sistem persamaan tersebut adalah...
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Himpunan penyelesaian dari sistem persamaan:
x + y - z = 2
2x - y + z = 1
x + 2y - z = 3
{(1, 2, 1)}
{(2, 1, 1)}
{(1, 1, 2)}
{(2, 2, 1)}
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Jika x, y, dan z merupakan penyelesaian dari sistem persamaan:
x + y + z = 6
2x - y + z = 3
x + 2y + z = 1
maka nilai dari 2x + y - z adalah...
4
5
6
7
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Sistem persamaan linear tiga variabel berikut yang memiliki penyelesaian
x = 2, y = -1, dan z = 3 adalah...
x + y + z = 4
2x - y + z = 8
x + 2y - z = -2
x - y + z = 6
2x + y - z = 3
x + 2y + z = 1
x + y - z = 0
2x - y + z = 7
x + 2y - z = -4
x - y - z = 0
2x + y + z = 7
x + 2y - z = -3
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Nilai y yang memenuhi sistem persamaan:
3x + 2y - z = 5
x - y + 2z = 3
2x + 3y - z = 7
adalah...
1
2
3
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Diketahui sistem persamaan:
ax + by + cz = d
ex + fy + gz = h
ix + jy + kz = l
Jika sistem persamaan tersebut memiliki tepat satu penyelesaian, maka...
a, b, c, e, f, g, i, j, k ≠ 0
Determinan matriks koefisiennya tidak sama dengan nol
Persamaan-persamaan tersebut saling bebas
Semua jawaban di atas benar
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
Himpunan penyelesaian dari sistem persamaan:
x + 2y - z = 4
2x - y + z = 1
3x + y + 2z = 9
adalah...
{(1, 2, 1)}
{(2, 1, 1)}
{(1, 1, 2)}
{(2, 2, 1)}
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