sistem persamaan linear tiga variabel

sistem persamaan linear tiga variabel

11th Grade

35 Qs

quiz-placeholder

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sistem persamaan linear tiga variabel

sistem persamaan linear tiga variabel

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Hard

CCSS
8.EE.C.8B, 8.EE.C.8C, 6.EE.C.9

+2

Standards-aligned

Created by

Hadli Along

Used 76+ times

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35 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

-3

-2

-1

4

5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jika x, y, dan z penyelesaian dari SPLTV


 x+3y+z=0x+3y+z=0 
 2xy+z=52x-y+z=5 
 3x3y+2z=103x-3y+2z=10 
maka nilai dari x . y . z = ....

- 4

- 3

- 2

2

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui data harga buah di swalayan “Man For Others” sebagai berikut :

Harga 2 kg mangga, 2 kg jeruk, dan 1 kg anggur adalah Rp70.000,00 dan harga 1 kg mangga, 2 kg jeruk, dan 2 kg anggur adalah Rp90.000,00. Jika harga 2 kg mangga, 2 kg jeruk, dan 3 kg anggur Rp130.000,00, maka harga 1 kg jeruk adalah …

Rp 5.000,00

Rp 7.500,00

Rp 10.000,00

Rp 12.000,00

Rp 15.000,00

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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)}

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Diketahui tiga buah bilangan. Bilangan pertama ditambah bilangan kedua sama dengan dua kali bilangan ketiga. Selisih bilangan pertama dan ketiga sama dengan empat kali bilangan kedua. Jika jumlah ketiga bilangan sama dengan 15, nyatakan ke dalam model matematika!

x+y=2zx+y=2z
x+z=4yx+z=4y
x+y+z=15x+y+z=15

x+y=2zx+y=2z
xz=4yx-z=4y
x+y+2z=15x+y+2z=15

x+y=2zx+y=2z
xz=4yx-z=4y
x+y+z=15x+y+z=15

x+y=zx+y=z
xz=4yx-z=4y
x+y+z=15x+y+z=15

x+y=2zx+y=2z
xz=2yx-z=2y
x+y+z=15x+y+z=15

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Diketahui sistem persamaan linear 

 3x+2y3z=5; 3x+2y-3z=5;\   x+y2z=3;x+y-2z=3;   xy+z=4x-y+z=-4  . 

Nilai x + y + z = … 

-3

-2

-1

4

5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

SPLDV 3x+y = 5 dan x-y =-1. Tentukan nilai x adalah . . .

1

0

-1

-2

-4

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