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Matematika attestatsiya №13

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Iyul 21, 2022

138 Ko'rishlar 1 izoh

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OMAD YOR BO'LSIN!

Matematika fanidan attestatsiya savollari №13

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1 / 40

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

A) 14

B) 9

C) 12

D) 6

2 / 40

2. 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) 46

B) 44

C) 40

D) 50

3 / 40

3. Quyidagi berilgan qoldiqli bo`lishlardan qaysi biri to`g`ribajarilgan ?
a)76 : 9 = 7 (qoldiq 13);
b)20 : 7 = 2 (qoldiq 6);
d)54 : 15 = 4 (qoldiq 1)

A) )a,b,d

B) a,b

C) b,d

D) b

4 / 40

4. Tenglamani yeching:

A) 9/5

B) 6/5

C) 5*4

D) 5/9

5 / 40

5. Kvadratlarning yuzlari yig‘indisini toping.

A) 22

B) 121

C) berilganlar yetarli emas

D) 11

6 / 40

6. Teng yonli ABC (AC = BC) uchburchakning AC tomonida D nuqta olingan. K – BD kesma va AH baladlik kesishgan nuqta. Agar AD = AK bo‘lsa, DBA burchakni toping.

A) 30°

B) 45°

C) 60°

D) 75°

7 / 40

7. Diagonallarining soni tomonlari sonidan 1,5 marta ko‘p bo‘lgan muntazam ko‘pburchakning tomoni 4 ga teng bo‘lsa, unga ichki chizilgan doira yuzini toping.

A) 10π

B) 8π

C) 16π

D) 12π

8 / 40

8. Agar aylananing o‘zaro parallel bo‘lgan uzunliklari 38, 38 va 34 ga teng vatarlari orasidagi masofalar bir xil bo‘lsa, shu masofani toping.

A) 6

B) 7

C) 6,5

D) 5,5

9 / 40

9. Agar biror oyda 5 ta payshanba bo‘lsa, shu oyda … bo‘la olmaydi?

A) 5 ta juma

B) 5 ta shanba

C) 5 ta yakshanba

D) 5 ta seshanba

10 / 40

10. Quyida y=f(x+2) funksiya grafigi tasvirlangan. Barilgan malumotlardan foydalanib ning qiymatini toping

A) 1

B) -3

C) 2

D) 3

11 / 40

11. P(x)=x²+3ax+c ko‘phadi x + a ga qoldiqsiz bo‘linsa, P( x) ni x - a ga bo‘lganda qoladigan qoldiqni aniqlang.

A) 2a²

B) 0

C) a²

D) 6a²

12 / 40

12. Tenglamani yeching.

A) 1

B) 0

C) 2

D) 5

13 / 40

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

A) log₅2

B) 2

C) log₂5

D) 3

14 / 40

14. 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

15 / 40

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

A) 42

B) 36

C) 40

D) 20

16 / 40

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

A) 3

B) 4

C) 1

D) 2

17 / 40

17. 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; 2

B) 1;0

C) -1;-2

D) -1; 0

18 / 40

18. sin(2arctg0,75) ni hisoblang

A) 12/15

B) 24/25

C) 22/25

D) 11/15

19 / 40

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

A) -1

B) 5

C) 2

D) 1

20 / 40

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

A) 2

B) 30

C) 5

D) 6

21 / 40

21. 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) 6

C) 7

D) 9

22 / 40

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

A) 12

B) 5

C) 6

D) 10

23 / 40

23. Hisoblang: sin10° •sin50° •sin70°

A) 0,5

B) 0,125

C) 0,25

D) 0

24 / 40

24. f(2x-1)=4x-5 bo’lsa, f^-1(x)=?

A) (x-2)/3

B) (x-3)/3

C) (x-7)/2

D) (x+3)/2

25 / 40

25. 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

26 / 40

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

A) -2≤x≤2

B) 0≤x≤2

C) 1≤x≤2

D) -2≤x≤0

27 / 40

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

A) 27

B) 12

C) 48

D) 18

28 / 40

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

A) 12

B) 16

C) 14

D) 15

29 / 40

29. funksiyaga teskari funksiyani toping.

A) I

B) IV

C) II

D) III

30 / 40

30. 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) 16

B) 25

C) 49

D) 36

31 / 40

31. 2^a = 5 va 20^b = 125 bo’lsa, a ni b orqali ifodalang.

A) 3b/(2+b)

B) b/(3-b)

C) 2b/(3-b)

D) (3-b)/2b

32 / 40

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

A) 2

B) 1

C) -2

D) 0

33 / 40

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

A) 4√2/9

B) 4√4/9

C) 2/9

D) 2/3

34 / 40

34. 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) α²

C) π²/4

D) 2π²

35 / 40

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

A) I

B) IV

C) II

D) III

36 / 40

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

A) 2x(b+d)

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

C) 2x+3b+4d

D) 2bdx+2bd

37 / 40

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

A) 6π

B) 18π

C) 24π

D) 12π

38 / 40

38. 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√3

B) 24√3

C) 6√3

D) 12

39 / 40

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