Diketahui sistem persamaan linear: x + 2y + z = 9; 3z + y + z = 13; x + y + 3z = 11. Nilai 12z adalah ....
MATEMATIKA 10 S2 HAL 027 PTS

Quiz
•
Mathematics
•
10th Grade
•
Hard
almas site
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
24
12
-12
-24
-36
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sistem pertidaksamaan yang sesuai dengan daerah arsiran tersebut adalah ....
16x + 11y ≤ 176, 21x + 7y ≤ 147, x ≥ 0,
y ≥ 0
16x + 11y ≥ 176, 21x + 7y ≤ 147, x ≥ 0,
y ≥ 0
16x + 11y ≥ 176, 21x + 7y ≥ 147, x ≥ 0,
y ≥ 0
11x + 16y ≤ 176, 7x + 21y ≤ 147, x ≥ 0,
y ≥ 0
11x + 16y ≥ 176, 7x + 21y ≥ 147, x ≥ 0,
y ≥ 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui fungsi kuadrat grafiknya melalui titik (8, -40). Grafik fungsi kuadrat tersebut juga memotong sumbu x di titik (-2, 0) dan (4, 0). Fungsi kuadrat tersebut adalah ....
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Persamaan kuadrat yang melalui titik (4, 0) dan koordinat titik puncaknya di (1, -9) adalah ....
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
12
16
20
24
28
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diketahui persegi panjang kelilingnya 250 cm. Ukuran panjang persegi panjang agar mempunyai luas maksimum adalah … cm.
23,5
64,5
28,5
62,5
36,5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah segitiga siku-siku jumlah kedua sisi siku-sikunya adalah 48 cm. Ukuran salah satu segitiga tersebut agar luasnya maksimum adalah … cm.
12
18
24
32
36
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