Diketahui sistem persamaan linear: x + y + z = 12, 2x – y + 2z = 12, dan 3x + 2y – z = 8. Nilai 4x + y + z adalah ….
MATEMATIKA 10 S2 HAL 060 PAS

Quiz
•
Mathematics
•
10th Grade
•
Hard
almas site
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
12
14
16
18
24
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nilai 5z pada sistem persamaan x – 2y + z = 0, 3x + y – z = 5, dan x – 3y – 2z = -15 adalah ....
-25
-15
-10
5
10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pak Soleh berencana membangun 2 tipe rumah, yaitu tipe A dan tipe B di atas sebidang tanah seluas 10.000 m2. Setelah dia berkonsultasi dengan arsitek (perancang bangunan), ternyata untuk membangun rumah tipe A dibutuhkan tanah seluas 100 m2 dan untuk membangun rumah tipe B dibutuhkan tanah seluas 75 m2. Karena dana yang dimilikinya terbatas, maka banyak rumah yang direncanakan akan dibangun paling banyak 125 unit. Model matematika dari permasalahan tersebut adalah ….
4x + 3y ≤ 400, x + y ≤ 125, x ≥ 0, dan y ≥ 0
4x + 3y ≥ 400, x + y ≤ 125, x ≥ 0, dan y ≥ 0
4x + 3y ≤ 400, x + y ≥ 125, x ≥ 0, dan y ≥ 0
x + 3y ≥ 400, x + y ≥ 125, x ≥ 0, dan y ≥ 0
3x + y ≤ 400, x + y ≤ 125, x ≥ 0, dan y ≥ 0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-8
-1
1
8
16
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sumbu X
garis x = 4
garis y = 0
garis x = 8
garis x = 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Desil ke-7 dari data tersebut adalah ....
52,12
53,34
52,46
53,66
53,07
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