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Matematika attestatsiya №4

InfoMaster

Yanvar 21, 2022

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1 ovozlar, 1 avg

Matematika fanidan attestatsiya savollari №4

1 / 40

bo‘lsa, x + y ni toping.

A) 17

B) 16

C) 18

D) 20

2 / 40

funksiyaning eng kichik musbat davrini toping.

A) 12

B) 18

C) 24

D) 26

3 / 40

$cos6x-4cos2x<0$ tengsizlikni yeching.

A) 1

B) 3

C) 4

D) 2

4 / 40

180 gramm suvga 70 gramm tuz aralashtrildi. Hosil bo‘lgan aralashmaninmg necha foizi suvdan iborat?

A) 78

B) 72

C) 75

D) 70

5 / 40

bo‘lsa, y = ?

A) 2

B) 8

C) 3

D) 26

6 / 40

Agar a>0 bo'lsa, funksiyaning vertikal asimptotasini toping.

A) y=-a

B) x=-a

C) y=1-a

D) x=a

7 / 40

y=f(x) funksiya uchun tenglik o'rinli bo'lsa, f(π/4)=?

A) 1/5

B) 1/3

C) 1/4

D) 4

8 / 40

Teng yonli trapetsiyaning diagonallari o'zaro perpendikulyar hamda yuzi 32 ga teng bo'lsa, uning diagonali uzunligini toping.

A) 8

B) 6

C) 2

D) 4

9 / 40

P(x), Q(x) va R(x) ko'phatdalar berilgan. Bunda P(x) ko'phadning odoz hadi Q(x) ko'phadning ozod hadidan ikki marta katta va P(0)≠0. P(x)=Q(x)·R(x+1) bo'lsa, R(x) ko'phadning koeffitsiyentlarining yig'indisini toping.

A) 3

B) 4

C) 1

D) 2

10 / 40

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

A) 6

B) 5,75

C) 13

D) 9,25

11 / 40

x ni toping ?

A) 5

B) 3

C) 6

D) 4

12 / 40

Quyida berilgan tizimda yonma - yon shakillardagisonlar ustida pasdagi ( EKUB yoki EKUK topish) amali bajariladi , natija amal pastigi shakilga yoziladi

Shunga ko`ra 1 , 2 va 3 amallar EKUB yoki EKUK dan qaysi biri bo`lishi kerak

A) 1-EKUB 2-EKUK 3-EKUB

B) 1-EKUB 2-EKUB 3-EKUK

C) 1-EKUB 2-EKUB 3-EKUB

D) 1-EKUB 2-EKUK 3-EKUK

13 / 40

Quyidakilardan qaysi biri juft:

2009⁵⁶+2008⁵⁵
3121⁰+0!
55!+87⁷
2²²+3³³+44⁴⁴

A) 1

B) 4

C) 2

D) 3

14 / 40

Bir idishda 32/5 kg, ikkinchisida esa unga qaraganda 16/5 kg ortiq yog` bor. Ikkala idishda qancha yog` bor?

A) 64/5

B) 10

C) 16

D) 48/5

15 / 40

Soddalashtiring.

A) (a-1)/(a-3)

B) (b+2)/(1-b)

C) (a+1)/(-a-3)

D) (a-1)/(1-b)

16 / 40

Bo‘yi 130 cm, eni 90 cm, balandligi 60 cm bo‘lgan idishdagi suvning 234 litri olindi. Idishda qolgan suvning (sathi) balandligini toping.

A) 35

B) 40

C) 20

D) 25

17 / 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

B) R(√3-√2)

C) 1,5R

D) √3R(2-√3)

18 / 40

sin a = x va 1+cos a= y bo‘lsa, x va y o‘zaro qanday bog‘langan?

A) 3

B) 2

C) 1

D) 4

19 / 40

Agar bo‘lsa, m/n ni toping.

A) 4

B) (1+√5)/2

C) 3

D) 2

20 / 40

Quyidagi sonini 9 ga bo‘lganda qoladigan qoldiqni toping.

A) 8

B) 5

C) 0

D) 1

21 / 40

cos75° ·cos 45° ·cos15° ni hisoblang.

A) √3/8

B) √2/8

C) √3/4

D) 1/8

22 / 40

Hisoblang:

A) 8

B) 6

C) 0

D) 4

23 / 40

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

A) 5

B) 0

C) 1

D) 9

24 / 40

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

A) 72π

B) 192π

C) 144π

D) 96π

25 / 40

Aylana tashqarisidagi nuqtadan aylanaga kesuvchi o‘tkazilgan. Berilgan nuqtadan aylanani kesgan nuqtalarigacha bo‘lgan masofalar mos ravishda 9 va 45 ga teng bo‘lsa, shu nuqtadan aylanaga o‘tkazilgan urinmaning urinish nuqtasigacha bo‘lgan masofa uzunligini toping.

A) 8√3

B) 9√5

C) 6√5

D) 12√3

26 / 40

Integralni hisoblang:

A) 4

B) 2

C) 1

D) 3

27 / 40

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

A) 2,4

B) 2,5

C) √5

D) √6

28 / 40

A, B,C,D, E natural sonlar. Agar EKUB(A,B,C)=10, EKUB(B,C,D,E)=15 bo‘lsa, A+ B+C+D+ E ning eng kichik qiymatini toping.

A) 120

B) 100

C) 90

D) 80

29 / 40

Ayniyatdan foydalanib x + y + z ni toping:

A) 12

B) 9

C) 3

D) 6

30 / 40

Tenglamaning natural ildizining butun bo‘luvchilari nechta?

A) 6

B) 2

C) 5

D) 4

31 / 40

Agar x =17 bo‘lsa, quyidagi ifodaning qiymatini toping.

A) -√17

B) √17

C) 4

D) -4

32 / 40

tenglama intervalda nechta ildizga ega?

A) 3

B) 2

C) 4

D) 1

33 / 40

Raqamlari yig‘indisi 10 bo‘lgan nechta turli 3 xonali son bor?

A) 0,216

B) 0,432

C) 0,144

D) 0,288

34 / 40

Agar bo'lsa, ni m orqali ifodalang.

A) (m+4)/4

B) 2/m

C) (4-m)/4

D) (m+1)/2

35 / 40

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

A) 3600

B) 600

C) 4800

D) 5050

36 / 40

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

A) 32

B) 41

C) 50

D) 25

37 / 40

ni hisoblang.

A) 1

B) 0

C) 2

D) 3

38 / 40

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

A) 1/2

B) 8/15

C) 5/6

D) 1/3

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) 14°

B) 24°

C) 17°

D) 7°

40 / 40

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

A) 138°

B) 132°

C) 135°

D) 142°