Tentukan himpunan penyelesaian dari sistem persamaan linear tiga variabel (SPLTV) berikut ini.
x + y - z = -3
x + 2y + z = 7
2x + y + z = 4
Sistem Persamaan Linear Tiga Variabel (SPLTV)
Quiz
•
Mathematics
•
10th Grade
•
Hard
Cici Dewi
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Tentukan himpunan penyelesaian dari sistem persamaan linear tiga variabel (SPLTV) berikut ini.
x + y - z = -3
x + 2y + z = 7
2x + y + z = 4
{-1, -1, 4}
{-1, 2, 4}
{-1, 2, -4}
{-1, -2, 4}
2.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Chandra, Gladys, dan Farrel bersama-sama pergi ke Toko Buku "IQRO". Chandra membeli 3 buku, 2 pensil, dan 4 penghapus seharga Rp17.000,00. Gladys membeli 4 buku, 3 pensil, dan 1 penghapus seharga Rp20.000,00. Farrel membeli 2 buku 4 pensil, dan 3 penghapus seharga Rp17.000,00. Model matematika untuk Farrel adalah...
3x + 2y + 4z = 17.000
2x + 4y + 3z = 17.000
2x + 4y + 3z = 20.000
4x + 3y + z = 20.000
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
x + 2y - 5z = 11 merupakan contoh sistem ...
Sistem Persamaan Linear Dua Variabel
Sistem Pertidaksamaan Linear Dua Variabel
Sistem Persamaan Linear Tiga Variabel
Sistem Pertidaksamaan Linear Tiga Variabel
4.
MULTIPLE CHOICE QUESTION
15 mins • 10 pts
Diketahui sistem persamaan :
3a + 7b + c = 315
4a + 10b + c = 420
Nilai a + b + c adalah ...
100
105
110
115
5.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
Sistem Persamaan Linear Tiga Variabel (SPLTV) adalah suatu sistem yang terdiri atas tiga persamaan yang mempunyai tiga variabel dengan masing-masing variabel berderajat satu
Benar
Salah
6.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
-3x - y = -1
2x + 3y = -2
5x + 4y = 7
Apakah sistem persamaan di atas merupakan SPLTV atau bukan?
SPLTV
Bukan SPLTV
7.
MULTIPLE CHOICE QUESTION
3 mins • 10 pts
Jumlah tiga bilangan sama dengan 45. Bilangan pertama ditambah 4 sama dengan bilangan kedua, dan bilangan ketiga dikurangi 17 sama dengan bilangan pertama. Bentuklah tiga persamaan linear tiga variable sesuai cerita tersebut!
x + 4 = y
z - 17 = x
x = 45
x + y + z = 45
x + 4 = y
z - 17 = x
x + y + z = 45
z - 17 = x
y = 4z
x + y = 45
x + 4 = y
z = x + 17
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