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Matematika attestatsiya №13

InfoMaster

Iyul 21, 2022

127 Ko'rishlar 1 izoh

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OMAD YOR BO'LSIN!

Matematika fanidan attestatsiya savollari №13

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1 / 40

1. Merganning nishonga tekkizish ehtimoli 0,8 ga teng. U ishonga 2 marta o‘q uzganda o‘qlardan biri nishonga tegishining ehtimolligini toping.

A) 0,32

B) 0,5

C) 0,16

D) 0,8

2 / 40

2. tenglamaning ildizlari yig'indisini(agar ildizi bitta bo'lsa, o'zini) toping.

A) 3

B) 1

C) 2

D) 0

3 / 40

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

A) 200 km

B) 2 km

C) 20 km

D) 0,2km

4 / 40

4. tenglama intervalda nechta ildizga ega?

A) 4

B) 1

C) 3

D) 2

5 / 40

5. Kvadratga ikkita yarim aylana ichki chizilgan. Bo‘yalgan soha yuzini toping.

A) 16(π-2)

B) 32

C) 64

D) 8(π+2)

6 / 40

6. bo‘lsa, 4a+3b+2c ni toping.

A) 12

B) 4

C) 16

D) 8

7 / 40

7. Tenglamaning haqiqiy ildizlari yig‘indisini (agar ildizi bitta bo‘lsa, o‘zini) toping.

A) 1

B) 12

C) 8

D) 9

8 / 40

8. ABCD to‘g‘ri to‘rtburchak bo‘lib, DM kesma to‘rtburchak tekisligiga perpendikulyar. Agar DM kesmaning uzunligi butun son bo‘lib, MA, MC va MB kesma uzunliklari mos ravsihda ketma-ket kelgan toq sonlar bo‘lsa, u holda MABCD piramida hajmini toping.

A) 24√5

B) 66

C) 28√5

D) 60

9 / 40

9. m, n, p - turli haqiqiy sonlar. m²+ n⁴+ p⁶ yig‘indi quyidagilardan qaysi biriga teng bo‘la olmaydi?

A) 1

B) 0

C) 2

D) 4

10 / 40

10. x noma'lum son (x≠3) uchun x²-15/x=4 tenglik oʻrinli. x·(x+1)·(x+2)·(x+3) koʻpaytmaning qiymati 15 ga teng boʻla oladimi?

A) Ha

B) Yo'q

11 / 40

11. Agar bo‘lsa, y = ?

A) 3

B) 2

C) 8

D) 26

12 / 40

12. Ayirmasi d ga teng bo'lgan arifmetik progrssiya uchun ni toping.

A) 2/3

B) 2

C) 1

D) 1/2

13 / 40

13. Agar ln(ab)=2x ba ln(a/b)=2y bo'lsa, a=?

A) I

B) IV

C) II

D) III

14 / 40

14. f(x+10)=f(x)·f(x-10)-x f(0)=1/2 va f(10)=30 bo’lsa, f(20)=?

A) 6

B) 5

C) 2

D) 30

15 / 40

15. Meshdagi suv Sarvarning o'ziga 20 kunga, Behruzga esa 60 kunga yetadi. Meshdagi suv ikkalasiga necha kunga yetadi?

A) 16

B) 12

C) 14

D) 15

16 / 40

16. Teng yonli uchburchakning asosi yon tomonidan 15 ga ortiq uchburchakning asosiga tushirilgan balandligi 15 ga teng bo’lsa , uning asosini toping.

A) 20

B) 42

C) 40

D) 36

17 / 40

17. funksiyaga teskari funksiyani toping.

A) III

B) I

C) II

D) IV

18 / 40

18. y=6x+18 to’g’ri chiziq bilan chegaralangan soha yuzini toping.

A) 18

B) 48

C) 12

D) 27

19 / 40

19. f(2x-1)=4x-5 bo’lsa, f^-1(x)=?

A) (x-2)/3

B) (x+3)/2

C) (x-3)/3

D) (x-7)/2

20 / 40

20. Uchburchakning b va c ga teng tomonlari orasidagi burchagi 30⁰ ga teng. Uchburchakning uchunchi tomoni 12 ga teng bo'lsa hamda uning tomonlari c² = b² + 12b + 144 shartni qanoatlantirsa, c ning qiymatini toping.

A) 24√3

B) 6√3

C) 12√3

D) 12

21 / 40

21. x ning qanday qiymatida lg2; lg(2^x-1); lg(2^x+3) arfimetik progressiyani tashkil qiladi?

A) 2

B) log₅2

C) 3

D) log₂5

22 / 40

22. Quydagi to’g’ri to’rt burchak yuzasining eng kichchik qiymatini toping.

A) 2

B) 4

C) 3

D) 1

23 / 40

23. Konus o’q kesimi yuzi 4√3 ga teng muntazam uchburchakdan iborat. Konus to’la sirtini toping?

A) 24π

B) 6π

C) 12π

D) 18π

24 / 40

24. sin(2arctg0,75) ni hisoblang

A) 12/15

B) 24/25

C) 22/25

D) 11/15

25 / 40

25. sin²α+ sin²β= 1 tenglamada 0<α<π/2 va 0<β<π/2 bo’lsa, α²+π²/2+β²+2αβ ni hisoblang.

A) 3π²/4

B) π²/4

C) α²

D) 2π²

26 / 40

26. Ikki natural sonning kvadratlarining o'rta arifmetigi 34 ga, o'rta geometrigi esa 8 ga teng. Shu sonlarning yig'indisini yarmini toping toping.

A) 9

B) 14

C) 6

D) 7

27 / 40

27. Hisoblang: sin10° •sin50° •sin70°

A) 0

B) 0,5

C) 0,25

D) 0,125

28 / 40

28. sin (2arccos1/3) ni hisoblang.

A) 2/9

B) 4√2/9

C) 2/3

D) 4√4/9

29 / 40

29. Silindr yon sirtining yoyilmasi tomoni b ga teng kvadratdan iborat. Silindir to’la sirtini toping.

A) b²-b²/2π

B) b²-2π

C) b²/2π

D) b²+b²/2π

30 / 40

30. ifoda x ning nechta qiymatida ma’noga ega emas?

A) 2

B) 3

C) 1

D) 4√2/9

31 / 40

31. k va l ning qanday qiymatlarida y=k/x giperbola va y=kx+l to’g’ri chiziq M( -1;1) nuqtalardan o’tadi.

A) 1;0

B) -1;-2

C) -1; 0

D) -1; 2

32 / 40

32. Agar f(x)=x³─5x²+2x+a va f "(2)=f(2) bo’lsa, a ning qiymatini toping.

A) 5

B) 10

C) 12

D) 6

33 / 40

33. Agar tg(x+y)=3 va tg(x-y)=2 bo’lsa tg2x+5 ning yarmini toping

A) 2

B) 5

C) -1

D) 1

34 / 40

34. f(x)=2·tgx funksiyaning x₀=π nuqtadagi hosilasini toping.

A) 0

B) 2

C) 1

D) -2

35 / 40

35. Quydagi shaklning to’la sirtini ifadolovchi formulani tuzing?

A) 2x(b+d)+2bd

B) 2x+3b+4d

C) 2x(b+d)

D) 2bdx+2bd

36 / 40

36. y=arcsin(-x-1) funksiyani aniqlanish sohasini toping.

A) -2≤x≤0

B) -2≤x≤2

C) 1≤x≤2

D) 0≤x≤2

37 / 40

37. 2^a = 5 va 20^b = 125 bo’lsa, a ni b orqali ifodalang.

A) b/(3-b)

B) 2b/(3-b)

C) (3-b)/2b

D) 3b/(2+b)

38 / 40

38. Aniqmas integralni hisoblang.

A) ln(lnx)

B) lnx+c

C) ln(lnx)+c

D) xlnx-x+c

39 / 40

39. y₁ va y₂ y² + my + n = 0 tenglamaning ildizlari, y₁ va y₂ ning har birini 4 taga orttirib, ildizlari hosil bo'lgan sonlarga teng kvadrat tenglama tuzildi. Agar uning ozod hadi n -24 (n dastlabki tenglamaning ozod hadi) ga teng bo'lsa, m nechaga teng?

A) 11

B) 10

C) 12

D) 9

40 / 40

40. To’g’ri burchakli uchburchakning katetlari 5 sm va 12 sm. Uchburchakka ichki chizilgan aylananing radiusini toping.

A) 2 m;

B) 4 sm;

C) 3 sm;

D) 2 sm;