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11-sinf Matematika 3-chorak

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Aprel 20, 2021

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11-sinf Matematika 3-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

Silindr shaklidagi idishga 6 sm³ suv solindi. Idishga detal to’liq cho’ktirilganda, suv sathi 1,5 marta ko’tarildi. Detal hajmini aniqlang

A) 3

B) 14

C) 1

D) 23

2 / 25

Uchlari soni 14 ta, qirralari soni esa 21 ta bo’lgan ko’pyoqning yoqlari sonini toping.

A) 4

B) 9

C) 16

D) 8

3 / 25

Aylanaga o’tkazilgan vatar uni 5:7 nisbatda bo’ladi. Ushbu vatarga tiralgan, aylanaga ichki chizilgan katta burchakni toping

A) 75°

B) 105°

C) 55°

D) 125°

4 / 25

(x²+23x+23)(x²+x+23)=23x² tenglama haqiyqiy ildizlari yig’indisini toping

A) -24

B) -23

C) 23

D) 24

5 / 25

chiziqlar bilan chegaralangan shaklning yuzini toping

A) 0,5

B) √2

C) 2

D) 1

6 / 25

Muntazam uchburchak tomoni 3 ga teng. Uchburchak tomonlari o’rtalari tutashtirilib, muntazam uchburchaklar hosil qilindi. Ichma-ich joylashgan uchburchaklar yuzlari yig’indisini toping

A) 2√3

B) 3

C) 2

D) 3√3

7 / 25

y>0 bo’lsin. To’g’riburchakning uchlari to’g’ri burchakli koordinatalar sistemasida qyuidagicha berilgan:
A(0;0), B(0;y), C(-9;y) va D(-11;0). To’rtburchak diagonallarining o’tralari orasidagi masofani toping

A) √2

B) √22

C) 2

D) 1

8 / 25

sin3x+ $\sqrt{3}$ cos3x≥0 tengsizligini yeching

A) [-π/9+2πn/3; 2π/9+2πn/3]

B) [-π/9+n π/3;2 π/9+n π/3]

C) (-π/2+n π;- π/2+n π)

D) ø

9 / 25

cos15⁰*cos45⁰ *cos75⁰ ni hisoblang

A) √8/2

B) √2

C) 2√2

D) √2/2

10 / 25

Moddiy nuqtaning berilgan t vaqtdagi tezligini hisoblang: $s(t)=t^3-2t^2+t$ , t=5

A) 75

B) 80

C) 70

D) 90

11 / 25

Murakkab funksiyaning hosilasini toping. y=x²sinx

A) y’=-2xsinx+x²

B) y’=2xsinx+x²cosx

C) y’=x²cosx-2xsinx

D) y’=2xsinx-x²

12 / 25

Uchlari A(4;0;1), B(5;-2;1), C(4;8;5) nuqtalarda bo’lgan uchburchakning AL bissektrisasi uzunligini toping

A) (4√2)3

B) 4

C) (2√5)/3

D) (4√2)/5

13 / 25

tgx funksiya hosilasini toping

A) 1/sinx

B) sinx

C) 1/cos²x

D) cosx

14 / 25

Funksiyaning statsionar nuqtalarini toping $f(x)=2x^3-3x^2-12x+3$

A) x=-1, x=2

B) x=-1, x=3

C) x=3, x=2

D) x=0, x=2

15 / 25

funksiyaning [-4;2] oraliqdagi eng katta qiymatini toping $f(x)=x^3+4.5x^2-9$

A) 18

B) 16

C) 17

D) 14

16 / 25

Agar f(x)=x² va bo`lsa ,f(g(2)) ni toping

A) 12

B) 16

C) 0

D) 36

17 / 25

Uchlari A(2;3;4) va B(-4;-5;-6) nuqtalarda bo’lgan AB kesmasining o’rtasining koordinatalarini toping.

A) (-1;-1;-1)

B) (-2;-4;-1)

C) (-1;-3;-1)

D) (-1;-1;-4)

18 / 25

y=-3x³+2x²-4x+5 funksiyaga x₀=-1 nuqtada o’tkazilgan urinma tenglamasining burchak koeffitsiyentini toping.

A) 17

B) -17

C) 15

D) -13

19 / 25

Koordinatalar boshidan y=x²-4x+3 parabolaning simmetriya o’qigacha bo’lgan masofani toping.

A) 3

B) 4

C) 2

D) 1

20 / 25

Karim 3 minutda 213ta so`zni terib , 6ta imloviy xatoga yo`l qo`ydi. Karimning matn terish sifatini toping.

A) 0,0282

B) 0,3265

C) 0,0321

D) 0,623

21 / 25

$f(x)=x^2-3x+4$ funksiya uchun y=2x-1 to`g`ri chiziqqa parallel bo`lgan urinma tenglamasini yozing

A) y=2x

B) y=2x+3

C) y=3x-2,2

D) y=2x-2,25

22 / 25

Moddiy nuqta qonuniyat bilan harakatlanmoqda, eng katta tezlanishga erishiladigan vaqtni toping.

A) 5

B) 4

C) 7

D) 6

23 / 25

To’g’riburchakli parallelepiped bir uchidan chiquvchi uchta qirralari uzunliklari 4,6 va 9 ga teng. Unga tengdosh kub qirrasining uzunligini toping.

A) 6

B) 6

C) 7

D) 8

24 / 25

f(x)=e^xcosx funksiyasi uchun f ’(π/2) ni aniqlang.

A. e^-0.5π B. e^0,5π C. e^π D. e^-π

A) e^(-0.5π)

B) e^(-π)

C) e^(0.5π)

D) e^(π)

25 / 25

Tandirdan olingan nonning temperaturasi 20 minut ichida 100⁰ dan 60⁰ gacha pasayadi. Tashqi muhit temperaturasi 25⁰. Nonning temperaturasi qancha vaqtda 30⁰ gacha pasayadi?

A) 51

B) 71

C) 41

D) 61