Matematika test 1-gruppa

25.Tengsizliklarsistemasiniqanoatlantiruvchibarchabutunsonlarni toping.
А) 0; B) 1; c) 0; 1; d) 1; 2.
26. ningqandayqiymatlarida kasrningqiymati oraliqqategishlibo’ladi?
А)

27.Hisoblang: .
28.Ko’paytmasi 224 gatengbo’lganikkitaketma-ketjuftsonlaryig’indisini toping.
А) ; B) 30; c) 2; d) .
29. Ifodani soddalashtiring: А) –1 С) 2 С) 2 D)
30. Tenglamaningildizlariyig’indisinitoping: .

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TO’G’RI JAVOBLAR__________
Mtematika test 2-gruppa
1. Ifodani soddalashtiring: .
2. Algebraik ifodaning son qiymatini toping: , bunda
.
3. Tenglamani yeching:
A) –6 B) 6 C) 0 D) yechimi yo`q

4. Agar bo`lsa, ifodaning qiymatini toping.

А) –12 С) –1 С) С) 1
5. Agar bo`lsa, a ni toping.
A) B) C) D)
6. Ifodani soddalashtiring: 4у – (3у – (2у – (у + 1))).
A) 2y + 1 B) 2y – 1 C) y – 1 D) y + 1
7. Tenglamani yeching: A) 9 B) 2 C) – 9 D) – 6
8. Birhadlarni ko’paytiring: A) 12,5x¹¹y⁷ B) –12,5x⁸y⁷ C) –12,5x¹¹y⁷ D) 2,5x¹¹y⁷
9. Bo’lishni bajaring: .
10. Bo’lishni bajaring: .
А)
11. Tenglamani yeching:
А) 4; B)5; c)3; d) .
12. Agar bo`lsa, yig`indini hisoblang.
A) 4 – a B) a – 4 C) a + 4 D) 4
13. Sonli ifodaning qiymatini toping: .
А) 0,97; B) 0,93; c) 9,7; d) 1,07.
14.Agar bo’lsa, ni toping.
А) –0,5; B) -1; c)ma’nogaegaemas; d) 1.
15. Tenglamani yeching:
А) 0; B)ildiziyo’q; c) ; d) 44.
16. Uchta sexda 1800 ta ishchiishlaydi. Вirinchi sexda ikkinchisiga qaraganda 1,2 martako’p, uchinchisexda esa birinchisidan 100 ta ishchiko’p. Uchinchisexda nechta ishchiishlaydi?
А) 400; B) 500; c) 600; d) 700.
16.Yukmashinasi 2 soat dayengil avtomobil 1 soat da bosibo’tganyo’ldan 20 km ko’pyo’lbosadi. Yengil avtomobilning tezligiyuk mashinasining tezligidan 1,5martako’p. Yuk mashinasiningtezligini toping.
А) 20 km/soat; B) 30 km/soat; c) 40 km/soat; d) 50 km/soat.
17. Tenglamani yeching: . А) 9; B) 27; c) 243; d) 81.
18. Ko’phadni standart shaklga keltiring:
A) 4x²y – 3,75a²b B) 3x²y – 2a²b C) 3x²y + 10a²b D) 3x²y – 10a²b
19. Agar a = –2, b = bo’lsa, ifodaning qiymatini toping.
A) 10 B) 20 C) –1 D) –10
20. Agar P = 6a² + 4ab – 5b², Q = 2a² – 6ab – 3b² bo’lsa, P – Q ni toping.
A) 4a² –2ab – 8b² B) 4a² –10ab – 8b² C) 4a² +10ab – 2b² D) 4a² +10ab – 8b²
21. Kasrni qisqartiring:
A) B) C) D)
22. Agar bo‘lsa, nimaga teng A) 4,5 B) 6,25 C) 5 D) 4,25
23. Ifodani soddalashtiring:
A) B) C) D)
24. Kasrni qisqartiring: A) B) C) D)
25. 50⁵⁰ ni 25²⁵ ga bo‘lsa nima hosil bo‘ladi?
A) 2² С) 2²⁵ С) 25²⁵ D) 100²⁵
26. Tenglamani yeching: A) 1 С) 2 С) 5 D) 0,2
27. Ifodani soddalashtiring: 5у – (4у – (3у – (2у +( у – 1)))).
A) 2y + 1 B) 3y – 1 C) y – 1 D) y + 1
28. Tenglamani yeching: 0 .
A) 6 B) 1,6 C) 1 D) 2
29. Birhadlarni ko’paytiring:
A) 12,5x¹¹y⁷ B) –12,5x⁸y⁷ C) –12,5x¹¹y⁷ D) 2,5x¹¹y⁷
30. Ifodani soddalashtiring: .

ISM.______________________________ FAMILYA____________________________________

S	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
J
S	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
J

TO’G’RI JAVOBLAR__________