US MATEMATIKA UMUM
Quiz
•
Mathematics
•
12th Grade
•
Hard
Reinir Daada Peter
Used 15+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Himpunan Penyelesaian dari persamaan |3𝑥 + 1| = 4𝑥 − 1 adalah ….
A. (-2, 0)
B. (0, −2)
C. (−2)
D. (0)
E. (2)
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ibu Tia dan Ibu Nanik berbelanja di warung makan yang sama. Ibu Tia membeli 4 potong ayam goreng dan 3 porsi sayur, sedangkan Ibu Nanik membeli 3 potong ayam goreng dan 5 porsi sayur. Ibu Tia harus membayar Rp 90.000,00, sedangkan Ibu Nanik membayar Rp 95.000,00. Harga 3 potong ayam goreng dari warung tersebut adalah ….
A. Rp 30.000,00
B. Rp 36.000,00
C. Rp 39.000,00
D. Rp 45.000,00
E. Rp. 48.000,00
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Sistem pertidaksamaan untuk daerah yang di arsir pada gambar adalah….
A. 𝑥 ≥ 0; 𝑦 ≥ 0; 2𝑥 + 3𝑦 ≤ 12; −3𝑥 + 2𝑦 ≥ 6
B. 𝑥 ≥ 0; 𝑦 ≥ 0; 2𝑥 + 3𝑦 ≥ 12; −3𝑥 + 2𝑦 ≥ 6
C. 𝑥 ≥ 0; 𝑦 ≥ 0; 2𝑥 + 3𝑦 ≤ 12; −3𝑥 + 2𝑦 ≤ 6
D. 𝑥 ≥ 0; 𝑦 ≥ 0; 2𝑥 + 3𝑦 > 12; −3𝑥 + 2𝑦 ≤ 6
E. 𝑥 ≥ 0; 𝑦 ≥ 0; 2𝑥 + 3𝑦 ≤ 12; −3𝑥 + 2𝑦 < 6
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Perhatikan persamaan linear berikut : 5𝑥 + 𝑦 = 14 (1)
3𝑥 + 2𝑧 = −4 ------------ (2)
4𝑥 + 3𝑧 = 1 ------------ (3)
Himpunan penyelesaian dari system persamaan tersebut adalah ….
A. {(4, 4, −7)}
B. {(2, 4, −7)}
C. {(4, 4, −5)}
D. {(4, 2, −5)}
E. {(2, 4, −5)}
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui fungsi f(x) = 2𝑥2 + 3𝑥 − 7 dan g(x) = 𝑥 + 5 komposisi fungsi ( f g )( x) = ....
A. 2𝑥2 + 23𝑥 + 56
B. 2𝑥2 + 23𝑥 + 58
C. 4𝑥2 − 23𝑥 + 56
D. 4𝑥2 − 23𝑥 + 58
E. 4𝑥2 − 20𝑥 + 56
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Diketahui f dan 𝑔 adalah fungsi-fungsi dalam R. Jika f(𝑥) = 3𝑥 + 2 dan 𝑔(𝑥) = 4𝑥 − 3 maka (f o 𝑔)-1 ( x ) adalah ….
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