Test. II variant

Test. II variant.

1. 
   ning qanday qiymatida ifoda ga teng bo`ladi?
   

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

2. 
   Uzunligi 400m bo`lgan poyezd uzunligi 800m bo`lgan ko`prikdan 1 minutda o`tdi. Poyezd tezligini toping.
   

A) B)

C) D)

3. 
   a =8 a+b=9 bo`lsa, ni toping.
   

1. 
   B) C) D)
   

4. 
   Sirtining yuzi 384 dm² bo`lgan kubning hajmini toping.
   

1. 
   64 dm³ B) 256 dm³ C) 512 dm³ D) 128 dm³
   

5. 
   0.5 10^-5+6 10^-4+3 10^-6 yig`indini standart ko`rinishda yozing.
   

1. 
   6.053 10^-5 B) 6.053 10^-4
   

C) 6.035 10^-5 D) 6.035 10^-4

6. 
   Soniga teskari sonni toping.
   

1. 
   B)
   

C) D)

7. 
   Hisoblang.
   

1. 
   B)
   

C) D)

8. 
   Agar ) bo’lsa
   

1. 
   48 B) 84 C) 64 D) 80
   

9. 
   tengsizlikni yeching.
   

1. 
   (-2;0)v(2;3) B) (-2;0)v(4;9)
   

C) (- v(3; D)(-2;2)v(3;

10. 
    53⁵³ ni 9 ga bo`lgandagi qoldiqni toping.
    

1. 
   8 B) 7
   

C)2 D) 1

11. 
    sistemani qanoatlantiruvchi yechimlari nechta?
    

1. 
   1 B) 2 C) 0 D) 3
   

12. 
    11x+6x²+x³+6 ko`phad quyidagilardan qaysi biriga bo`linmaydi ?
    

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

13. 
    Hisoblang.
    

1. 
   1 B) C) D)
   

14. 
    Agar x= bo’lsa,
    

(x-2)³ + 3(x-2)² + 3(x-2)+1ni hisoblang.

1. 
   B) C) D)
   

15. 
    Tenglamalar sistemasini nechta yechimi bor?
    

1. 
   1 B) 4 C) 3 D) 2
   

16. 
    Agar bo’lsa
    

1. 
   -1 B) 1 C) D)
   

17. 
    A (3;3) va B(-1;-3) nuqtalardan o`tuvchi to`g`ri chiziq tenglamasini ko`rsating.
    

1. 
   y=2x+1 B)y=1.5x+1.5 C)y= -2x+1 D) y= 1.5x-1.5
   

18. 
    Agar x²+y²+4x+2y+5=0 bo`lsa, x+y=?
    

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

19. 
    Hisoblang.
    

1. 
   B) C) D)
   

20. 
    503 ta 502 ning ko`paytmasiga 503 ta 502 ning yig`indisi qo`shilganda yig`indi qanday raqam bilan tugaydi.
    

1. 
   9 B) 4 C) 5 D) 6
   

21. 
    Jami ikki xonali sonlar yig`indisini toping.
    

1. 
   B) C) D)
   

22. 
    =2-2x tenglama ildizlari yig`indisini toping.
    

1. 
   B) C) D)
   

23. 
    Agar A:B=10, 9(qol) bo`lsa, A+B=130 B=?
    

1. 
   10 B) 11 C) 12 D) 13
   

24. 
    Agar x-y+5=7 bo`lsa, x-y+3 ni toping.
    

1. 
   5 B) 10 C) -1 D) 1
   

25. 
    Qaysi sonning 3 marta kattasidan bir kami bilan shu sonning bir ko`pi yig`indisi 200 ga teng.
    

1. 
   15 B) 42 C) 36 D) 50
   

26. 
    tenglama ildizlari yig`indisini toping.
    

1. 
   Yechimga ega emas B) 2 C) 3 D) 4
   

27. 
    
    

Tengsizliklar sistemasini qanoatlantiruvchi nechta nomanfiy son mavjud?

1. 
   1 B) 2 C) 3 D) 4
   

28. 
    Ikki xonali sonlar orasida 5 ga bo`linib, 4 ga bo`linmaydiganlari nechta?
    

1. 
   20 ta B) 16 ta C) 18 ta D) 15 ta
   

29. 
    3 ta kitob va 2 ta daftar 1800 so`m turadi. 4 ta daftar va bitta kitob 2400 so`m tursa, bitta kitob va ikkita daftarning narxini toping.
    

1. 
   740 B) 1280 C) 1800 D) 2400
   

30. 
    Proporsiyaning noma`lum hadini toping.
    

(x+2) : (x-3)=(x-1) : (x+4)

1. 
   B) C) D)