Nimaga teng a b c d 8

1. 
   a=2⁵+2^-5 va b=2⁵-2^-5 bo`lsa, a²-b²-2 nimaga teng
   

A) B) 2 c)0 D)8

2. 238 betlik kitobni Ahmad uch kunda o'qib tugatdi. U birinchi kuni; ikkinchi kinga qaraganda 1,6 marta kam, ikkinchi kuni esa uchinchi kunga qaraganda 28 bet kam kitob o'qidi. Ikkinchi kuni Ahmad necha bet kitob o’qigan?

A) 108 B) 80 C) 78 D) 50

3. Agar bo'luvchi x- 4 ga, bo'linma x + 2 ga va qoldiq -7 qa teng bc’lsa, bo'linuvchini toping. A) x² + 2x + 15 B)x² + 2x- 15 C) x²- 2x + 15 D) x² - 2x - 15

4. Qo`shni burchaklardan biri ikkinchisidan katta shu qo`shni burchaklarni toping.

A. B. C. D.

5. Ikki parallel to`g`ri chiziqni uchinchil to`g`ri chiziq kesib o`tganda hosil bo`lgan ichki bir tomonli burchaklardan biri ikkinchisidan 17 marta kichik . Shu burchaklardan kichigini toping.

A. B. C. D.

6. 25 - (8a - 3)² ko'paytuvchilarga ajrating. A) (8a - 2)(8 + 8a) B) (8a - 2)(8 – 3a) C) (8a + 2)(8a - 8) D) (8a + 2){8 -8a)

7. 2¹¹+3¹² yig`indining oxirgi raqamini toping.

A)9 B)7 C)5 D)8

8. Otasi 38 yoshda, o`g`li esa 12 yoshda. Necha yildan keyin otasi o`g`lidan ikki marta katta bo`ladi ?

A) 6 B) 9 C) 11 D) 14

9. Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan uchtasining yig`indisi 250⁰ ga teng. Burchaklardan kichigini toping.

A) 40⁰ B) 35⁰ C) 70⁰ D) 50<sup>0

10.</sup> Surati p va q sonlarining kvadratlarining yig`indisiga, maxraji esa ularning ko`paytmasiga teng bo`lgan algebraik kasrni yozing.

A) B) C) D)

11. Kasrlarni ko`paytiring: .

A) B) C) D)

12. 6133 n soni 3 ga qoldiqsiz bo’linadigan n raqamining barcha qiymatlarini toping

1. 
   1;7;4 B) 2;5;8 C) 0 D) 4;2
   

13. 9¹⁰ ni 7 ga bo’lganda qoldiqni toping.

1. 
   3 B) 1 C) 2 D) 6
   

14. Yig’indini hisoblang

1. 
   B) C) D)
   

15. Agar 5²+5^-2=7 bo’lsa 25²+25^-2 ning qiymatida qancha bo’ladi?

1. 
   47 B) 49 C) 51 D) 29
   

16. Qisqartiring
_A) B) C) D)

_17. Tenglamalar sistemasini yeching:

A) B) C) D)

_18. Hisoblang:

A) B) C) D)

_19. Ikki sonning o’rta arifmetigi 20 ga, ularning o’rta geometrigi esa 12 ga teng. Shu sonlarni toping.

A) 30 va 10 B) 20 va 20 C) 36 va 4 D) 12 va 20

20. Tengsizlikni yeching:

A) (-∞; 0) B) (-∞; 0] C) (0; ∞) D) [0; ∞)

21. Tengsizlikni yeching: 3x²-9≥0

A) B)

C) D)

22. p ning nechta butun qiymatida x²+px+9=0 tenglama haqiqiy ildizga ega emas?

A) 10 B) 8 C) 13 D) 11

23. Hisoblang

А)1 B)2 C)3D) 5E)

24. Funksiyaning aniqlanish sohasiga tegishli eng kichik natural sonni va funksiyaning shu nuqtadagi qiymatini toping:

A) y(2)= B) y(1)=1 C) y(4)=4 D) y(3)=


25. Tenglamalar sistemasining nechta yechimi bor?
A) 1; B) 2; C) 3; D) 4.

26. .

A) B) 16 C) -4 D) 4

27. tengsizlikni yeching.

A) B) C) D)

28. tengsizlikni eching.

A) B) C) D)

2

29. funktsiyaning aniqlanish sohasini toping.

A) B) C) D) E)

30. tengsizlik nechta butun yechimga ega?

A) B) C) D)5