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Matematika attestatsiya №4

InfoMaster

Yanvar 21, 2022

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Matematika fanidan attestatsiya savollari №4

1 / 40

$cos6x-4cos2x<0$ tengsizlikni yeching.

A) 3

B) 1

C) 4

D) 2

2 / 40

Qayiq daryo oqimga qarshi 48 km va oqim bo‘yicha ham shuncha yo‘l bosib, butun yo‘lga 5 soat vaqt sarfladi. Daryo oqimining tezligi 4 km/soat bo‘lsa, qayiqning xususiy tezligini toping.

A) 25

B) 18

C) 22

D) 20

3 / 40

Yig’indi quydagilardan qaysi biriga teng?

A) 450,608

B) 40560,8

C) 45,0608

D) 4506,08

4 / 40

Qavariq oltiburchakning 3 ta uchidan kesib olsak qanday shakl hosil bo’ladi ?

A) 6

B) 14

C) 9

D) 12

5 / 40

Teng yonli trapetsiya asosidagi burchakning sinusi 0,6 ga, asoslarining ayirmasi 4 ga teng bo‘lsa, trapetsiyaning yon tomonini toping.

A) 2,5

B) 4

C) 2

D) 3

6 / 40

cosx=0,2x tenglama nechta yechimga ega?

A) 3

B) 1

C) 4

D) 2

7 / 40

Umumiy hadi x_n=3+5n-n² formula bo'yicha berilgan sonli ketma-ketlikning eng katta hadi 15 dan qanchaga kam?

A) 5,75

B) 13

C) 6

D) 9,25

8 / 40

1·2·3· ... ·30 ko'paytmani tub ko'paytuvchilarga ajratganda ko'apytmada 2ⁿ, 3^m va 7^k lar ishtirok etsa, n+m+k ni toping.

A) 40

B) 44

C) 46

D) 50

9 / 40

funksiyaning qiymatlar to'plamini toping.

A) (-2√2;√2)

B) [-√2;-1)∪(-1;1)∪(1;√2]

C) [-√2;0)∪(0;√2]

D) [-√2;√2]

10 / 40

x⁴+8x³+ax²+bx+1 ko'phadning kvadrati bo'lsa, a va b koeffitiyentlarning barcha qiymatlari yig'indisini toping.

A) 27

B) 32

C) 26

D) 48

11 / 40

Hisoblang 200−199+198−197+⋯+4−3

A) 99

B) 101

C) 100

D) 98

12 / 40

Hisoblang: -1²¹+(-1³⁵)-(-1)²⁸

A) 0

B) -3

C) -2

D) -1

13 / 40

Shaharlar orasidagi masofa xaritada 5 sm ga teng bo`lsava xaritaning masshtabi 1:4000000 bo`lsa , shaharlar orasidagi haqiqiy masofa qanchaga teng ?

A) 2 km

B) 20 km

C) 200 km

D) 0,2km

14 / 40

x ni toping ?

A) 6

B) 5

C) 4

D) 3

15 / 40

Quyida berilgan holatda stol va uni atrofida qo’yiladigan stullarning holati berilgan va raqamlangan k-holatda stullarning raqamlari yig`indisi 351 taga teng bo`lsa, k ni toping ?

A) 13

B) 11

C) 12

D) 10

16 / 40

2⁷⁵+3³⁰ sonini 41 ga bo‘lganda qoladigan qoldiqni aniqlang.

A) 0

B) 1

C) 9

D) 5

17 / 40

ABCD trapetsiyaning AC diagonali CD yon tomonga perpendikulyar. Agar ∠D=69° va AB = BC bo‘lsa, B burchakni toping.

A) 132°

B) 138°

C) 142°

D) 135°

18 / 40

Tenglamaning natural ildizining butun bo‘luvchilari nechta?

A) 6

B) 5

C) 2

D) 4

19 / 40

108 sonining natural bo‘luvchilari ko‘paytmasi quyidagilardan qaysi biriga teng?

2¹²·3¹⁸
2²·3³
2⁸·3¹⁰
2⁶·3⁹

A) 2

B) 3

C) 4

D) 1

20 / 40

Radiusi 25/4 bo‘lgan sferaga balandligi 8 ga teng bo‘lgan konus ichki chizilgan. Konusning hajmini toping.

A) 96π

B) 72π

C) 144π

D) 192π

21 / 40

Tenglamani yeching:

A) 5/9

B) 6/5

C) 9/5

D) 5*4

22 / 40

Ayniyatdan foydalanib x + y + z ni toping:

A) 3

B) 12

C) 9

D) 6

23 / 40

cos75° ·cos 45° ·cos15° ni hisoblang.

A) 1/8

B) √3/4

C) √3/8

D) √2/8

24 / 40

f(3x)=x+f(3x-3) va f(3)=1 bo'lsa, f(300) nechaga teng?

A) 600

B) 3600

C) 4800

D) 5050

25 / 40

Uchburchakning 3 va 4 ga teng bo‘lgan tomonlariga o‘tkazilgan medianalar o‘zaro perpendikulyar bo‘lsa, bu uchburchakning uchinchi tomonini toping.

A) 2,5

B) √5

C) 2,4

D) √6

26 / 40

Burchagi 120° ga teng bo‘lgan doiraviy sektorga ichki doira chizilgan. Berilgan doiraning radiusi R ga teng bo‘lsa, yangi doiraning radiusi topilsin.

A) √3R(2-√3)

B) R(√3-√2)

C) 1,5R

D) 3R

27 / 40

f(x)+f(3x)+f(5x)+...+f(39x)=(3x+10)⁴ bo'lsa, f'(0) ni toping.

A) 25

B) 0

C) 30

D) 10

28 / 40

Tenglamalar sistemasidan foydalanib x + y + z ni toping:

A) berilganlar yetarli emas

B) 6

C) 8

D) 10

29 / 40

Agar bo‘lsa, m/n ni toping.

A) 2

B) 3

C) (1+√5)/2

D) 4

30 / 40

Hisoblang:

A) 4

B) 0

C) 8

D) 6

31 / 40

Agar bo'lsa, ni m orqali ifodalang.

A) (m+4)/4

B) 2/m

C) (4-m)/4

D) (m+1)/2

32 / 40

Integralni hisoblang:

A) 1

B) 3

C) 4

D) 2

33 / 40

Yig‘indini toping.

A) 1/6

B) 1/12

C) 1/4

D) 1/9

34 / 40

Dastlabki n ta hadining yig‘indisi formula bilan aniqlanadigan arifmetik progressiyaning 6-hadini toping.

A) 6

B) 9

C) 8

D) 10

35 / 40

a,b,c -1 dan katta musbat sonlar uchun a³=b² va a⁴=c⁵ bo'lsa, log_bc ni toping.

A) 5/6

B) 1/2

C) 8/15

D) 1/3

36 / 40

Agar x²-6x+7=0 bo‘lsa, ni toping.

A) 28

B) 40

C) 52

D) 48

37 / 40

Agar tenglamaning ildizi m/n bo‘lsa, m+ n ni toping. Bunda EKUB(m; n)=1.

A) 41

B) 25

C) 50

D) 32

38 / 40

ni hisoblang.

A) 1

B) 0

C) 3

D) 2

39 / 40

To‘g‘ri burchakli uchburchakning bir burchagi 52° ga teng bo‘lsa, to‘g‘ri burchak uchidan tushirilgan balandlik va mediana orasidagi burchakni toping.

A) 17°

B) 14°

C) 24°

D) 7°

40 / 40

tenglama intervalda nechta ildizga ega?