1. Agar bo’lsa, ning qiymatini toping. A 110 b 125 c 80 d 100

6. ning x=0,25 dagi qiymatini toping.
A) 3 B) 6 C) 5 D) 4
7. 3¹⁰+2¹¹ yig’indining oxirgi raqamini toping.
A) 3 B) 5 C) 1 D) 7
8. ni hisoblang.
A) 0,32 B) 32 C) 6,4 D) 3,2
9. (3z-x)³+(x-2y)³-(3z-2y)³ ko’phadni ko’paytuvchilarga ajrating.
A) -3(3z-2y)(3z-x)(x-2y) B) 3(3z-2y)(3z-x)(x-2y)
C) -6(3z-2y)(3z-x)(x-2y) D) ko’paytuvchilarga ajralmaydi.
10. 630 va 198 ning umumiy bo’luvchilari nechta?
A) 4 B) 9 C) 8 D) 6
11. . Agar _{ } sonlarining o’rtadagisi 10 ga teng bo’lsa, ushbu barcha sonlar yig’indisini toping.
A)99 B)93 C)88 D)95
12 . 56 dan 143 gacha bo’lgan sonlarni ketma -ket yozib chiqilganda 4 raqami necha marta takrorlanadi?
A)12 B)15 C)13 D)14
13. 3 ga bo’linmaydigan natural sonning kubini 9 ga bo’lganda qoldiq qanday sonlar bo’lishi mumkin?
A) 1 yoki 8 B) 0 yoki1 C) 3 yoki6 D) 0 yoki8 E) 0;1 yoki 8
14. Agar (2x+1)(x-1,5)=0 bo’lsa, 2x+1 qanday qiymatlar qabul qiladi?
A) faqat 0 B) faqat -0,5 C) 0 yoki -0,5 D) 0 yoki 1,5 E) 4 yoki 0

15. Agar x₁ va x₂ sonlari x²+x-3=0 tenglamaning ildizlari bo’lsa, ning qiymatini toping.

A) 5/81 B) 7/81 C) 11/81 D) 4/27 E) 3/16

16. k ning qanday qiymatida k(k+6)x=k+7(x+1) tenglama yechimga ega bo’lmaydi?

A) 1 va 7 B) 1 C) 7 D) 1 va -7 E) -7

17. Tenglamalar sistemasidan x ni toping.

A) 1 B) 0 C) -1 D) 2
18. x³+2nx²+mx+5 ko’phad x²-1 ga qoldiqsiz bo’linadi. m+n ni toping
A) 5 B) 3,5 C) -3,5 D) -7
19. Agar x-y=5 va xy=7 bo’lsa, x³y+xy³ning qiymatini toping.
A)162 B)271 C)216 D)273
20. Tenglamani yeching.

A) 5,2 B) 5,75 C) 4 D) 4,5
21. 1,25 soniga teskari sonni toping. A) 8 B) -0,8 C) 0,8 D)
22. Hisoblang
_{ }
A)18 B)19 C)20 D)15

23. Tenglamaning ildizlari ko’paymasini toping.

24. Agar bo’lsa, ning qiymatini toping.
A) 110 B) 125 C) 80 D) 100

25. Quyida keltirilgan tengliklardan qaysilari ayniyat?

1) (x+a)(x-b)=x²-(a-b)x-ab;
2) (x-c)(x-d)=x²-(c+d)x+cd;
3) (x-e)(x+d)=x²-(e-d)x-ed;
4) 6ab+(2a³+b³-(3ab²-(a³+2ab²-b³)))=3a³-ab²+6ab.
A) 2;3;4 B) 1;2;3 C) 1;2;4 D) 1;3;4.
26. Ikkita o‘xshash uchburchakning perimetrlari 18 va 36 ga, yuzlarining yig‘indisi 52,5 ga teng. Katta uchburchakning yuzini toping.
A) 36 B) 24 C) 48 D) 42
27. To‘g‘ri burchakli uchburchak katetlaridan biri 15 sm, ikkinchisi esa gipotenuzadan 3 sm qisqa. Shu uchburchak gipotenuzasini toping.
A) 36 B) 20 C) 25 D) 39