Viii-sinflar uchun Matematika fanidan test savollari

VIII-sinflar uchun Matematika fanidan test savollari

1. 
   Ifodaning qiymatini toping: A) B) C) D)
   
2. 
   Hisoblang: A) 30 B) C) D)
   
3. 
   Hisoblang: A) 8 B) C) 7 D) -7
   
4. 
   Hisoblang: A) -0,43 B) 0,43 C) 4,3 D) -4,2
   
5. 
   Tenglamani yeching: A) 5 B) 3 C) 4 D) 1
   
6. 
   Tenlama a ning qanday qiymatlarida cheksiz ko’p yechimga ega? 10(ax-1)=2a-5x-9
   

A) -1/2 B) 2 C) 1/2 D) -2

7. 
   Quyidagi sonlarning qaysi jufti tenglamalar sistemasining yechimi?
   

A) (1;5) B) (1;6) C) (4;3) D) (3;4)

8. 
   tenglamalar sistemasidagi y ning qiymatni aniqlang?
   

A) 0 B) 1 C) 2 D) -2

9. 
   trapetsiyaning yuzi 594 ga, balandligi 22 ga, asoslarining ayirmasi 6 ga teng, trapetsiyaning katta asosining uzunligini toping.
   

A) 34 B) 32 C) 28 D) 30

10. 
    8,(5) ni oddiy kasrga aylantiring
    

A) B) C) D)

11. 
    tengsizliklar sistemasining eng kichik butun yechimini toping,
    

A) -5 B) -3 C) -6 D) -4

12. 
    Nechta tub son tengsizlikning yechimi bo’ladi?
    

A) 16 B) 8 C) 15 D) 17

13. 
    Trapetsiyaning o’rta chizig’i 9 sm, asoslaridan biri ikkinchisidan 6 sm qisqa. Trapetsiyaning katta asosini toping.
    

A) 15 B) 10 C) 18 D) 12

14. 
    tengsizlikning eng katta va eng kichik butun yechimlarini yig’indisini toping.
    

A) 1 B) -1 C) -2 D) 2

15. 
    Tengsizlikning nechta ildizi bor? | x+1| = | 2x-1 | ?
    

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

16. 
    Rombning yuzi 16 ga, primetri 12 ga teng. Uning diagonallari yig’indisini toping.
    

A) 8 B) 12 C) 11 D) 10

17. 
    Parallelogramm burchaklaridan ikkitasining ayirmasi 50⁰ga teng. Shu burchaklarning kattasini toping.
    

A) 65⁰ B) 115⁰ C) 110⁰ D) 135⁰

18. 
    To’g’ri burchakli uchburchakning kattetlaridan biri 12, gipotenuzasi esa ikkinchi katetidan 6 ga ortiq. Uchburchak yuzini toping.
    

A) 36 B) 40 C) 42 D) 54

19. 
    To’g’ri to’rtburchakning tomonlari 72 va 8 m. unga tengdosh bo’lgan kvadratning tomonini toping.
    
20. 
    Muntazam sakkizburchakning ichki burchaklari nimaga teng?
    
21. 
    Kitob va daftar birgalikda 1100 so`m turadi. Kitob narxining 5% i daftar narxining 10% idan 25 so`m qimmat. Kitob va daftar alohida-alohida qancha turadi?
    
22. 
    4 ga bo`lganda 3 qoldiq, 10 ga bo`lganda 1 qoldiq chiqadigan va ikkinchi bo`linma birinchi bo`linmadan 13 ta kam bo`ladigan natural sonni toping
    
23. 
    Qo`sh tengsizlik ko`rinishida yozing: .
    
24. 
    Sonning aniq qiymati 1,483 , taribiy qiymati 1,48 bo`lsa, yaqinlashish xatoligini toping
    
25. 
    Tengsizliklar sistemasini yeching: