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Matematika attestatsiya №13

InfoMaster

Iyul 21, 2022

147 Ko'rishlar 1 izoh

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OMAD YOR BO'LSIN!

Matematika fanidan attestatsiya savollari №13

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1 / 40

1. Agar bo‘lsa, x ni toping.

A) 2

B) -2

C) 5

D) -5

2 / 40

2. 2013²⁰¹⁵ ni 10 ga bo'lgandagi qoldiqni toping.

A) 1

B) 3

C) 7

D) 9

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) 0,2km

B) 2 km

C) 20 km

D) 200 km

4 / 40

4. x>0 bo‘lsa, 128x+1/x² yig‘indining eng kichik qiymatini toping.

A) 64

B) 16

C) 48

D) 32

5 / 40

5. bo‘lsa,

A) 2/3

B) 2

C) 1

D) 3/2

6 / 40

6. |x² -5ax|=15a tenglama bitta musbat va 3 ta manfiy ildizga ega bo‘ladigan a larni toping.

A) 2,4

B) 4,4

C) (2,4;∞)

D) Ø

7 / 40

7. 8x²+4x³-3x-7=0 tenglama ildizlari ko‘paytmasini toping.

A) -3

B) 1,75

C) -2

D) -4

8 / 40

8. y=sin²(x/2-π/4) + 2cos2x funksiyaning eng kichik musbat davrini toping

A) 4π

B) 3π

C) π

D) 2π

9 / 40

9. Tenglama nechta haqiqiy ildizga ega?

A) 3 ta

B) 4 ta

C) 1 ta

D) 2 ta

10 / 40

10. Hisoblang .

A) 0,5

B) 0,1

C) 1

D) 0

11 / 40

11. to‘plamning nechta xos qism-to‘plamlari mavjud?

A) 16

B) 30

C) 5

D) 32

12 / 40

12. Hisoblang.

A) 131

B) 121

C) 135

D) 133

13 / 40

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

A) 1

B) 2

C) 0

D) -2

14 / 40

14. 1,2,3,4,2,3,1,4,5,3,2,12,3,4,2,1,3,2,1,4,3,2,1,2,3,4,2,1,2,3. Chastotasi eng kata bo’lgan songa 3 ni qo’shsak achiqsa. a²= ?

A) 36

B) 25

C) 16

D) 49

15 / 40

15. 2^a = 5 va 20^b = 125 bo’lsa, a ni b orqali ifodalang.

A) (3-b)/2b

B) 2b/(3-b)

C) b/(3-b)

D) 3b/(2+b)

16 / 40

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

A) IV

B) III

C) II

D) I

17 / 40

17. funksiyaga teskari funksiyani toping.

A) I

B) III

C) IV

D) II

18 / 40

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

A) 4 sm;

B) 2 sm;

C) 3 sm;

D) 2 m;

19 / 40

19. Hisoblang: sin10° •sin50° •sin70°

A) 0,5

B) 0

C) 0,125

D) 0,25

20 / 40

20. sin(2arctg0,75) ni hisoblang

A) 22/25

B) 12/15

C) 24/25

D) 11/15

21 / 40

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

A) 3

B) log₂5

C) log₅2

D) 2

22 / 40

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

A) 2x(b+d)

B) 2bdx+2bd

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

D) 2x+3b+4d

23 / 40

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

A) 14

B) 9

C) 6

D) 7

24 / 40

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

A) 15

B) 16

C) 12

D) 14

25 / 40

25. 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

26 / 40

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

A) 6

B) 12

C) 5

D) 10

27 / 40

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

A) 24π

B) 18π

C) 6π

D) 12π

28 / 40

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

A) 18

B) 27

C) 12

D) 48

29 / 40

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

A) 4√2/9

B) 4√4/9

C) 2/9

D) 2/3

30 / 40

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

A) b²+b²/2π

B) b²-b²/2π

C) b²-2π

D) b²/2π

31 / 40

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

A) 1≤x≤2

B) -2≤x≤2

C) 0≤x≤2

D) -2≤x≤0

32 / 40

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

A) 4√2/9

B) 2

C) 1

D) 3

33 / 40

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

A) π²/4

B) 3π²/4

C) α²

D) 2π²

34 / 40

34. 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) 12

B) 24√3

C) 12√3

D) 6√3

35 / 40

35. 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

36 / 40

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

A) 5

B) 6

C) 2

D) 30

37 / 40

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

A) 36

B) 40

C) 42

D) 20

38 / 40

38. 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) 12

B) 11

C) 10

D) 9

39 / 40

39. f(2x-1)=4x-5 bo’lsa, f^-1(x)=?

A) (x+3)/2

B) (x-7)/2

C) (x-3)/3

D) (x-2)/3

40 / 40

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