Tenglamani yeching. A 18 b 17 c 21 d 17

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1. tenglamani yeching.
A) 18 B) 17 C) 21 D) 17
2. Agar m va n natural sonlar ^.(n-4)+n²-6mn+23,5m=0 tenglikni qanoatlantirsa m+n =?
A) 4 B) 36 C) 12 D) 20
3. 2x+3y+9z=10 4x+8y+16z=25 bo`lsa
y-z=?
A) -7,5 B) -2,5 C) 2,5 D) 5
4. Quyidagi mulohazalardan qaysi biri to`g`ri ?
A) Oddiy kasrning surat va maxraji bir xil songa orttirilsa, kasrning qiymati o`zgarmaydi.
B) 12 va 8 ga qoldiqsiz bo`lingan sonlar 96 ga ham qoldiqsiz bo`linadi.
C) Manfiy sonning manfiy toq darajasi yana manfiy son bo`ladi.
D) Tub sonlar ko`paytmasi tub son bo`ladi.
5. 3x+6 ifoda toq son bo`lsa, quyidagilardan qaysi biri juft son?
A) x²+4 B) 3x⁸ C) 2x+3 D) 3x²-11x
6. Agar ayniyat bo`lsa b-a =?
A) -1 B) 6 C) 1 D) -6
7. b⁹x-bx⁹ ko`pi bilan nechta ko`paytuvchilarga ajraladi ?
A) 5 B) 6 C) 7 D) 8
8. (x²+x)²-11(x²+x)-12 ifodani ko`paytuvchilarga ajrating ?
A) (x+4)(x-3)(x²+x+1) B) (x-4)(x+3)(x²-x+1)
C) (x-4)(x+3)(x²+x+1) D) (x+4)(x-3)(x²-x+1)
9. Ildizlari 3x²+x-4=0 tenglamaning ildizlariga qarama-qarshi sonlardan iborat bo`lgan kvadrat tenglamani tuzing.
A) 3x²-x+4=0 B) 3x²-x-4=0
C) 3x²-x-1=0 D) 3x²+x+4=0
10. a-b, a+b, 2a-b va 9 sonlari arifmetik progressiyaning ketma-ket to’rtta hadi bo’lsa, shu progressiyaning ilk 10 ta hadi yic’indisini toping. A)150 B)120 C)90 D)100
11. (1-x²)(x²+x+1)(x²-x+1)+x⁵+x⁴+4 ifodani soddalashtirgandan keyin nechta haddan iborat bo’ladi.
A)3 B)4 C)8 D)10
12. 1 va 35 sonlari orasiga arifmetik progrissiya tashkel qiladigan 23 ta son joylashtirildi. Shu progrissiyaning 13 hadini toping.
A)18 B)16,5 C)19,5 D)16
13. Ushbu 353637… 141 sonning raqamlar yig’indisini toping.
A) 1441 B) 1440 C) 1436 D) 1401

14. Ushbu (1!+2!+3!+…+33!) yig’indining birlar xonasidagi raqamni toping.

A) 0 B) 5 C) 2 D) 3
15.Hisoblang:
A) 0,25 B) 2 C) 1 D) 0,5
16. Agar bo’lsa, ni hisoblang
A) B) 1 C) D)
17. Soddalashtiring :
A) B) C) D)
18. a,b,c manfiy sonlar uchun Munosabat o’rinli bo’lsa, a,b,c sonlarni taqqoclang.
A) a C) a
19. Agar va bo’lsa ning qiymati nechaga teng?
A) 17 B) 15 C) 13 D) 12
20. tenglamani yeching.
A) 2 B) 1 C) -1 D) -2
21. Agar ikkita o’zaro tub sonlarning ko’paytmasi 378 ga teng bo’lsa, bu sonlarning EKUK ini toping.
A) 189 B) 387 C) 378 D) 156
22. va d= 4 bo’lsa, ni hisoblang.
A) 57 B) 60 C) 55 D) 50
23. q ning qanday tenglama ildizlari kublarining yig’indisi 16 ga teng bo’ladi?
A) 6 B) 4 C) 7 D) 5
24. Tenglamani yeching:
A) 2; B) 2; - C) 2; D) 2;
25. Geometrik progressiyaning ikkinchi hadi 6 ga, beshinchi va uchinchi hadlari ayirmasi -16/9 ga teng bo’lsa, progressiyaning maxrajini toping? A)1/5 B)5 C)0.5 D)1/3
26. - +3= +1 tenglamani yeching? A)1 B)4 C)8 D)9
27. Ifodaning qiymati qanday raqam bilan tugaydi?
A) 0 B) 5 C) 7 D) 1
28. .Hisoblang: A) B) C) D)
29. 2564, 2013, 1899 sonlarining har birini qanday natural songa bo’lganda qoldiqlari bir xil bo’ladi?
A) 41 B) 23 C) 64 D) 19
30. 777 soning tub bo’luvchilari yig’indisini tiping.
A)845 B) 1216 C) 98 D) 47
31. bo’lsa, m = ? nechaga teng bo’ladi.
A) 8 B) 4 C) -5 D) -10
32. Ifodani soddalashtiring va uning son qiymatini toping. a = 0,02; b = -11,05; c = 1,07

A) -1 B) 0,1 C) 1/2 D) 1
33. Agar ni toping
A) 5 B) 7 C) 4 D) 6
34. Tenglamaning ildizlari yig`indisini toping
A) 15 B) ildizi yo`q C) 8 D) 22
35. Кasrning qiymati ga teng. Agar kasrning suratiga 15, maxrajiga 5qo'shilsa, uning qiymati ga teng bo`lib qoladi. Kasrning maxraj va surati ayirmasini toping.
A) 4 B) 10 C)16 D) 14
36. a=0,2(223), b=0,22(23) va c=0,(2223) sonlarini o'sish tartibida.yozing.
A) cb“Navigator” o’quv markazi.