1. Kasrning maxrajini irratsionallikdan qutqaring. Hisoblang 3

10. Ifodani soddalashtiring.


11. Quyidagi funksiyaga teskari funksiyani toping.


12. [log₂3]+[log₂4]+[log₂5]+…+[log₂16] ni hisoblang. [a] butun
qismi.
A) 34 B) 37 C) 33 D) 38
13. P₁(x–1)=3x–4, P₂=(x+2)=4–5x hamda P₃(x)=6x–2 bo’lsa
P₁(x)+P₂(x)+P₃(x–3) ni hisoblang.
A) –8x+33 B) 4x–7 C) –4x+7 D) –8x+7
14. Tengsizlikni yeching.


15. Tengsizlikni yeching. Arcsin
A) [1; 2] B) [-2; 1]
C) [2; ∞) D) [1; ∞)
16. Ifodani soddalashtiring.

A) sinα B)1/2 C) 1 D) –1
17. ABC uchburchakda ∠A = α, ∠B = β, ∠C = γ ,
α:β:γ=1:2:3, BC = 2 bo’lsa, perimetrini toping

18.

19. DABC piramida ABC asosining BE medianasi va DC qirrasining o’rtasi F orqali tekislik o’tkazilgan. Agar DABC piramidaning hajmi 40 sm³ ga teng bo’lsa, ADBFE shaklining hajmini toping.
A) 20 B) 10 C) 40 D) 30
20. Teng yonli o’tkir burchakli ABC(AB=BC) uchburchakning
asosidagi burchagi α ga teng. BD balandlik AE balandlikni A uchidan boshlab hisoblanganda qanday nisbatda bo’ladi?

21. ni
hisoblang.
A) 1/2B) 2 C) 1 D) aniqlab bo’lmaydi
22. Hisoblang.
A) –25 B) –1 C) –2,5 D) 10
23. Shakldagi to’g’ri silindr asosining radiusi 10 sm, kichik tomoni 16 sm va uchlari pastki va ustki aylanada bo’lgan to’g’ri to’rtburchak bilan silindr asoslari orasidagi burchak 60⁰ bo’lsa, to’g’ri to’rtburchak yuzasi necha sm² ga teng?

A) 384 B) 252 C) 160 D) 72
24. y = a funksiya
grafigi tasvirlangan.

Quyidagilarining qaysi biri togri
A) bc>d B) a>c
C) ab<0 D) abc>d
25. Bitta nuqtadan aylanaga ikkita urinma o’tkazilgan. Urinmaning
uzunligi 12 sm, urinish nuqtalari orasidagi masofa 14,4 sm ga teng
bo’lsa, aylananing radiusini toping.
A) 5 B) 8,5 C) 7 D) 9
26. Radiuslari R¹=6 sm, R²=7 sm, R³=8 sm bo’lgan aylanalar 2 ta
o’zaro urinadi. Uchlari bu aylanalar markazlarida joylashgan
uchburchakning yuzini toping.
A) 90 B) 78 C) 56 D) 84
27. Aylanaga tegishli bo’lmagan A nuqtadan unga urinma va kesuvchi o’tkazilgan. A nuqtadan urinish nuqtasigacha bo’lgan masofa 16 sm, kesuvchining aylana bila kesishish nuqtalaridan birigacha bo’lgan masofa 32 sm ga teng. Agar uning markazidan kesuvchigacha bo’lgan masofa 5 sm ga teng bo’lsa, aylananing radiusini toping.
A) 12 B) 13 C) 14 D) 10
28. Eritmada 60 g tuz bor. Unga 400 g toza suv qo’shilsa, tuzning
konsenratsiyasi 1,5 marta kamaydi. Dastlabki eritma necha gramm
bo’lgan.
A) 800 B) 840 C) 780 D) 900
29. ni hisoblang. Bu yerda [ ] sonning butun qismi.
A) 137 B) 117 C) 123 D) 144
30. Sonni standart shaklda yozing. 1495000000 km
A) 1495∙10⁷ B) 149,5∙10¹⁰
C) 14,95∙10⁹ D) 1,495∙10⁹