Nilai z yang memenuhi sistem persamaan:
x + 2y + 3z = 18
4x – 3y + z = 17
3x + 5y – 2z = 19
adalah . . . .
SPLTV
Quiz
•
Mathematics
•
12th Grade
•
Hard
Quizizz Content
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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Nilai z yang memenuhi sistem persamaan:
x + 2y + 3z = 18
4x – 3y + z = 17
3x + 5y – 2z = 19
adalah . . . .
-4
-1
2
3
5
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Jika { ( x0 , y0 , z0 ) } memenuhi sistem prsamaan
3x – 2y – 3z = 5
x + y – 2z = 3
x – y + z = - 4
maka nilai z0 adalah .....
A. -3
B. -2
C. -1
D. 4
E. 5
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Dengan menggunakan metode susbtitusi, penyelesaian dari sistem persamaan
3x + 7y + 2z = 8
4x + 2y – 5z = -19
6y – 4z = 14
adalah .....
A. x = 5, y = 3, dan z = 1
B. x = 4, y = -5, dan z = 1
C. x = -3, y = 4, dan z = 1
D. x = -5, y = 3, dan z = 2
E. x = -5, y = 3, dan z = 1
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Jika x, y, dan z penyelesaian dari SPLTV
- 4
- 3
- 2
2
4
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Amar, Boy, Cita, dan Dini pergi ke koperasi sekolah untuk membeli buku tulis, pulpen, dan pensil dengan merek yang sama. Amar membeli 5 buku tulis, 3 pulpen, dan 2 pensil dengan harga Rp31.500,00. Boy membeli 4 buku tulis, 2 pulpen, dan 5 pensil dengan harga Rp31.000,00. Cita membeli 3 buku tulis, 4 pulpen, dan 4 pensil dengan harga Rp30.000,00. Jika Dini membeli 1 buku tulis, 2 pulpen, dan 3 pensil, uang yang harus dibayarkan Dini adalah….
Rp14.000,00
Rp14.500,00
Rp15.000,00
Rp15.500,00
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Diketahui sistem persamaan linear
.
Nilai dari
3
2
1
1/2
1/3
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Jika x, y, dan z penyelesaian dari SPLTV
- 4
- 3
- 2
2
4
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