SPLTV
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Novia Kusumawati
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
Tentukanlah himpunan penyelesaian dari sistem persamaan linier 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 • 20 pts
Tentukan himpunan penyelesaian dari sistem persamaan linear tiga variabel berikut ini.
x + 3y + 2z = 16
2x + 4y – 2z = 12
x + y + 4z = 20
{(-7,1,3)}
{(7,1,3)}
{(7,1,-3)}
{(7,1,3)}
3.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
Harga 2 kg mangga, 2 kg jeruk, dan 1 kg anggur adalah Rp. 76.000, 00. Harga 1 kg mangga, 2 kg jeruk, 2 kg anggur adalah Rp. 98.000, 00. Harga 2 kg mangga, 2 kg jeruk, dan 3 kg anggur adalah Rp. 136.000. Nyatakan ke dalam model matematika! Pilih salah satu jawaban yang salah dari 3 pernyataan tersebut !
2x +2 y + z = 76.000
x + 2y + 2z = 98.000
2x + 2y +3z =136.000
x + y + z = 100.000
4.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
Diketahui sistem persamaan linear
3x+2y−3z=5; 3x+2y−3z=5; x+y−2z=3;x+y−2z=3; x−y+z=−4x−y+z=−4 .
Nilai x + y + z = …
-3
2
-1
4
5.
MULTIPLE CHOICE QUESTION
3 mins • 20 pts
Jika himpunan penyelesaian dari sistem :
x - 2y + 4z = -3
3x + y - 2z = 12
2x + y - 3z = 11 adalah { x, y,z } maka nilai x . y . z = ….
-3
3
6
4
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