Ildizlari tenglamaning ildizlaridan ikkiga katta bo’lgan kvadrat tenglama tuzing. A X

MATEMATIKA

1. 
   Ikki sonning yig’indisi 11,5 ga teng.Ulardan biri ikkinchisidan 4 marta kata bo’lsa, shu sonlarning kattasini toping. A) 10,2 B) 8,4 C) 9,2 D) 9,6
   
2. 
   bo’lsa, xy ning eng kata qiymati nechaga teng bo’ladi? A) 4,5 B) 2,5 C) 3,5 D) 3
   
3. 
   Ildizlari tenglamaning ildizlaridan ikkiga katta bo’lgan kvadrat tenglama tuzing. A) x²+15x+54 B) x²-15x+54=0 C) x²-15x-54=0 D) x²+15x-54=0
   
4. 
   kasrlarni kamayish tartibida joylashtiring. A) b;c;a B) c;b;a C) a;b;c D) b;a;c
   
5. 
   tenglikdan x ni toping. A) B) C) D)
   
6. 
   Agar bo’lsa, ifodaning qiymatini toping. A) 2 B) 0 C) -1 D) 1
   
7. 
   sistemada x ning eng kichik qiymati bo’lsa, A) 0,3 B) 1,8 C) 0,7 D) 1,75
   
8. 
   tengsizlik quyidagi oraliqlardan qaysi birida o’rinli emas? A) [0;1)υ(1;2] B) (0;2) C) D)
   
9. 
   Uchburchakning ichki burchaklari 2:3:4 kabi nisbatda bo’lsa, uning eng katta va eng kichik burchaklari ayirmasini toping. A) 60 B) 80 C) 20 D) 40
   
10. 
    Qo’shni burchaklardan biri ikkinchisidan 200% ga katta. Shu qo’shni burchaklar ayirmasining modulini toping. A) 60˚ B) 90˚ C) 50˚ D) 108˚
    
11. 
    funksiya uchun tenglikni qanoatlantiradigan y ning barcha qiymatlari ko’paytmasini toping. A) -12 B) -11/16 C) -3 D) 11/26
    
12. 
    Uzunligi 7,2 sm bo’lgan kesma 4:5 nisbatda ikki bo’lakka bo’lindi. Bu bo’laklar musbat ayirmasini toping. A)0,8 sm B)1,8 sm C)0,9 sm D)1,6 sm
    
13. 
    Poyezd balandligi 4 m bo’lgan svetafor yonidan 20s o’tib ketdi. Uzunligi 600m bo’lgan tunneldan esa 50s o’tdi.Poyezdning uzunligi qancha? A) 200m B) 300m C) 400m D) 600m
    
14. 
    parabola x o’qiga urinsa, a=? A) B) C) D)
    
15. 
    Quyidagilardan qaysi biri tub son? A) B) 723513 C) D)
    
16. 
    Agar va bo’lsa, A) B) C) D)
    
17. 
    Agar bo’lsa, n ning qiymatini toping? A) 7 B) 12 C) 13 D) Aniqlab bo’lmaydi.
    
18. 
    tenglamaning ildizlari ko’paytmasini toping. A) 3 B) Aniqlab bo’lmaydi C) -1 D) 0
    
19. 
    ning oxirgi ikki raqamini toping? A) 76 B) 16 C) 32 D) 25
    
20. 
    sonini 69 ga bo’lgandagi qoldiqni toping? A) -5 B) 64 C) 74 D) Aniqlab bo’lmaydi
    
21. 
    Hisoblang. A) 29 B) 43 C) 36 D) 37
    
22. 
    Agar x+y+z=1 bo’lsa, A) -1 B) -2 C) 1 D) 2
    
23. 
    soni eng katta uch xonali natural songa teng bo’lsa, n nechaga teng? A) 996,75 B) 1001,25 C) 997,25 D) 1000,75
    
24. 
    Ifodani soddalashtiring: A) x-4 B) -5 C) -4 D) x+4
    
25. 
    Hisoblang A) 1 B) 3,5 C) D)
    
26. 
    2324252627…7172 sonining raqamlari yig’indisini toping. A) 431 B) 440 C) 462 D) 423
    
27. 
    ifodaning koeffitsiyentlari yig’indisini toping? A) 4 B) 15 C) 12 D) 16
    
28. 
    Hisoblang. A) B) C) D)
    
29. 
    Agar bo’lsa, ni hisoblang. A) 4 B) 3 C) 2 D) 5
    
30. 
    (1;4) Oraliqda maxraji 4 ga teng bo’lgan barcha kasrlarning soni nechta? A) 13 B) 9 C) 14 D) 11