
untitled

Quiz
•
Mathematics
•
10th Grade
•
Hard
Noer Salamah
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
- 4
- 3
- 2
2
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 20 pts
Jumlah belanjaan Ayah saat membeli 5 kopi, 4 teh dan 6 susu adalah Rp 74.000. Manakah pemodelan matematika yang benar?
5x + 4y + 6z = 74.000
4x + 5y + 6z = 74.000
5x + 6y + 4z = 74.000
3.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Lia membeli dua buah Apel, satu buah Jambu, dan satu buah Mangga seharga Rp47.000. Ria membeli satu buah Apel, dua buah Jambu, dan satu buah Mangga seharga Rp43.000. Via membeli tiga buah Apel, dua buah Jambu, dan satu buah Mangga seharga Rp71.000. Bagaimana pemodelan matematikanya?
2a + j + m = 47.000
a + 2j + m = 43.000
3a + 2j + m = 71.000
a + 2j + m = 47.000
a + 2j + m = 43.000
3a + 2j + m = 71.000
2a + j + m = 47.000
a + 2j + m = 43.000
2a + 3j + m = 71.000
2a + j + m = 47.000
a + 2j + 2m = 43.000
3a + 2j + m = 71.000
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Diketahui sistem persamaan sebagai berikut: a1x + b1y + c1z = d1; a2x + b2y + c2z = d2; a3x + b3y + c3z = d3. Dari sistem persamaan tersebut yang dinamakan variabel adalah ....
a1, b1, c1, a2, b2, c2, a3, b3, c3
d1, d2, d3
1, 2, 3
x, y, z
a, b, c, d
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berikut ini yang bukan merupakan metode penyelesaian dari sistem persamaan linear tiga variabel adalah ....
eliminasi
gabungan eliminasi-substitusi
penjumlahan
substitusi
determinan
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sistem persamaan linear tiga variabel memiliki ciri-ciri ....
terdiri dari dua persamaan dan setiap persamaan memiliki tiga variabel
terdiri atas tiga persamaan dan setiap persamaan memiliki tiga variabel
terdiri dari tiga persamaan dan setiap persamaan berbeda variabel
terdiri dari tiga persamaan dan setiap persamaan memiliku dua variabel
terdiri dari dua persamaan dan setiap persamaan memiliki dua variabel
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Yang merupakan contoh sistem persamaan linear tiga variabel adalah ....
x−3y+z=5; 4x−y−z=−2; 2a+b−c=3
2x−3y=6; a+4b=7; 3p−q=−2.
x+2y=4; y−5z=6;
x+2y+3z=5; x+y+z=−1; 3x−2y−z=−9.
x−4y+5z=12; a+3b+c=8; 2p−q+3r=−5
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