1. 9; 10; 11; va 12 sonlardan nechta o’zaro tub sonlar juftligini tuzish mumkin?

1. 9; 10; 11; va 12 sonlardan nechta o’zaro tub sonlar juftligini tuzish mumkin?

A) 3 B) 4 C) 2 D)5

2. Agar f(x) = x² - 2 funksiyaning eng kichik
qiymati a bo‘lsa, f(a) ni toping.
A) 2 B) -2 C) 0 D) 1

3. ifodaning va bo’lgandagi qiymatini toping.

A) B) C) -0,5 D)2

4. integralni hisoblang.

A) B) C) D)

5. Ko‘paytuvchilarga ajrating:
2bx - 3ay - 6by + ax
A) (a - 2b) · (x + 3y) B) (2b - a) · (x + 3y)
C) (a + 2b) · (3y - x) D) (a + 2b) · (x - 3y)

6. funksiya berilgan bo’lsa, 9 ni hisoblang.

A) 0,36 B) 9 C) 1,44 D) 25

7. Magazinda birinchi kuni 76% tarvuz sotildi. Ikkinchi kuni esa qolgan 54 ta tarvuz sotildi. Birinchi kuni nechta tarvuz sotilgan?

A) 171 B) 176 C) 168 D) 163

8. tenglamaning barcha haqiqiy ildizlar yig’ndisini toping.

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

9. Hisoblang:

A) 1 B) C)9 D)1

10. Agar x=15 bo’lsa, ifodaning qiymatini toping.

A) B) C) D) 4

11. tenglamani yeching.

A)

B)

C)

D)

12. Agar bo’lsa, ni m orqali ifodalang.

A) B) C) D)

13. Soddalashtiring:

A) B) C) D)

14. Quyidagilardan qaysi biri tenglamaning umumiy yechimi bo’ladi?

A) B) C) D)

15. tenglamaning ildizi x₀ bo’lsa 2 ni hisoblang.

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

16. Tengsizlikni yeching:

A) B) C)

D)

17. Agar y  3 bo‘lsa, tenglamalar sistemasidan x+y ni toping.

A) 8 B) 7 C) 9D) 6

18. 3 ta to‘g‘ri chiziq tekislikni ko‘pi bilan nechta qismga ajratadi?

A) 7 B) 6 C) 3 D) 4

19. kvadrat funksiyaning grafigi faqat I, II va III choraklarda yotsa larning har birini nol bilan taqoslang.

A) B) C) D)

20. funksiyaning nuqtadagi hosilasini toping.

A) B) C) D)

21. α tekislik va uni kesib o‘tmaydigan AB=13 cm kesma berilgan. AB kesmaning uchlaridan α tekislikkacha bo‘lgan masofalar AA₁=4 cm, BB₁=9 cm. AB kesma yotuvchi to‘g‘ri chiziq bilan α tekislik hosil qilgan burchakning kosinusini toping.

A) 5/13 B) 4/13 C) 12/13 D) 9/13

22. O‘tmas burchagi α ga teng rombga ichki chizilgan aylananing uzunligi L ga teng bo‘lsa, rombning yuzasini toping.

A) B) C) D)

23. Uchburchakning 3 va 4 teng bo‘lgan tomonlariga o‘tkazilgan medianalar o‘zaro perpendikulyar bo‘lsa, bu uchburchakning uchinchi tomonini toping.
A) 2,4 B) C) D) 2,5

24. Muntazam to‘rtburchakli kesik piramida asoslarining tomonlari 9 cm va 15 cm. Kesik piramidaning diagonali 18 cm bo‘lsa, uning balandligini (cm) toping.

A) 7 B) 6 C) 9 D) 8

25. ABCD parallelogrammning uchlari A (-2; 6; -9), B (-12; 6; 5) va C (4; 6; 5) nuqtalar bo‘lsa, vektorning koordinatalari yig‘indisini toping.

A) 12 B) -16 C) 16 D) -12

26. Agar to’g’ri silindr o’q kesimining yuzi 16 ga teng bo’lsa, silindr yon sirti yuzini toping.

A) 16 B) 2 C) 8 D) 4

27. Konus asosining yuzi 9 ga, yon sirtining yuzi 15 ga teng. Shu konusga ichki chizilgan sferaning radiusini toping.

A) 2,5 B) 1 C) 1,5 D) 2

28. 1; 3; 5 raqamlar takrorlanmasdan yozilgan barcha uch xonali sonlar to’plamining elementlari sonini toping.

A) 8 B) 6 C) 7 D)9

29. Tog’ning cho’qqisiga 9 ta yo’l olib boradi. Borgan yo’lidan qaytmaslik sharti bilan tog’ning cho’qqisiga jami necha usulda borib kelish mumkin?

A) 90 B) 45 C) 36 D) 72

30. Kamayuvchi geometric progressiyani tashkil etuvchi to’rtta haddan chetki hadlarining yig’indisi 27 ga, o’rta hadllarining ko’paytmasi 72 ga teng bo’lsa, bu progressiyaning birinchi hadini toping.

A) 48 B) 18 C) 24 D) 36