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11-sinf Matematika 4-chorak

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Aprel 20, 2021

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11-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

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

A) 105°

B) 75°

C) 55°

D) 125°

2 / 25

cos(2arctg(1/2)) ni hisoblang

A) 35/37

B) 37/35

C) -35/37

D) -37/35

3 / 25

cos15⁰*cos45⁰ *cos75⁰ ni hisoblang

A) √2

B) √2/2

C) 2√2

D) √8/2

4 / 25

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

A) 23

B) -23

C) -24

D) 24

5 / 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) 3

B) 3√3

C) 2

D) 2√3

6 / 25

Ushbu funksiyasining boshlang’ich funksiyasini toping

A) ln⁡(|x+2|*|x+1|)

B) lnIx-1I

C) lnI(x-2)(x-3)I

D) (x+2)(x+1)

7 / 25

tengsizlikning yechimi bo’lgan eng kichik natural sonni toping

A) 1

B) 3

C) 5

D) 4

8 / 25

$f(x)=x^3+2x^2+x+3$ funksiyasining kamayish oralig’ini toping.

A) (-∞;-1)

B) (-1;1/3)

C) (-1/3;+∞)

D) [-1;-1/3]

9 / 25

Karim uyida 14 bet matn terib, 8ta imloviy xatoga yo’l qo’ydi. Agar 1 betda o’rtacha 380 ta so’z bo’lsa, Karim 100ta so’z terganda o’rtacha qancha xato qiladi?

A) 1,5

B) 0,15

C) 0,25

D) 0,5

10 / 25

A(2;0;-3) va B(3;4;0) nuqtalar orasidagi masofani toping

A) 16

B) 25

C) √26

D) √24

11 / 25

A) 18

B) 13

C) 20

D) 14

12 / 25

Agar A(1;2;3), B(3;7;6) bo’lsa, A̅B̅ vector koordinatalarini toping

A) (2;5;3)

B) (4;9;9)

C) (4;9;9)

D) (-2;-5;-3)

13 / 25

Murakkab funksiyaning hosilasini toping. y=x²sinx

A) y’=2xsinx+x²cosx

B) y’=-2xsinx+x²

C) y’=x²cosx-2xsinx

D) y’=2xsinx-x²

14 / 25

Funksiyaning kamayish oraliqlarini toping

A) (-1;0) va (0;2)

B) (-2;0) va (0;1)

C) (-1;0) va (0;1)

D) (-3;0) va (0;1)

15 / 25

f(x)=2x+3 funksiyasi uchun A(1;5) nuqtadan o’tuvchi boshlang’ich funksiyasini toping.

A) F(x)=x²-3x+1

B) F(x)=x²+3x-1

C) F(x)=x²+3x+1

D) F(x)=x²-3x-1

16 / 25

A(-4;3;6) nuqtaning Oxz tekisligiga nisbatan simmrtrik nuqtasini toping.

A) (-4;-6;6)

B) (-8;-3;6)

C) (-4;-3;9)

D) (-4;-3;6)

17 / 25

f(x)=sin2x funksiyasining barcha boshlang’ich funksiyalarini toping.

A) F(x)=-2cos2x+C

B) F(x)=0,5cos2x+C

C) F(x)=-0,5cos2x+C

D) F(x)=2sin4x+c

18 / 25

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

A) 7

B) 4

C) 5

D) 6

19 / 25

Kub to’la sirtining yuzi 105,84 sm² bo’lsa, uning har bir yog’i yuzini va qirrasining uzunligini toping.

A) 17,64 dm²; 4,2 dm

B) 17,64 dm²; 4,9 dm

C) 17,64 dm; 4,2 dm

D) 17,68 dm²; 4,2 dm

20 / 25

Qavariq ko’pburchakning har bir uchidan uchtadan qirra chiqadi. Agar bu ko’pyoqning qirralari soni 12 ta bo’lsa, uning nechta uchi va yog’i mavjud?

A) 4;10

B) 4;18

C) 4;11

D) 8;10

21 / 25

To’g’riburchakli parallelepiped asosining tomonlari 7:24 nisbatda, diagonal kesimining yuzi 50dm² ga teng. Yon sirtining yuzini toping.

A) 135 dm²

B) 124 dm

C) 124 dm²

D) 224 dm²

22 / 25

f(x)=(3x+2)² funksiyasining barcha boshlang’ich funksiyalarini toping.

A) F(x)=6x³+3x²+4

B) F(x)=6x³+6x+4

C) F(x)=6x³+6x²+4

D) F(x)=6x³+3x²-4

23 / 25

Havo shariga t $\in$ [0;10] minut oralig’ida V(t)=t³+13t²+t+20 (m³) havo purkamoqda. t=10 minutdagi havo hajmini toping.

A) 2025

B) 2300

C) 2330

D) 1023

24 / 25

Bir burchagi 60⁰ bo’lgan to’g’ri burchakli uchburchakka tomoni 6 ga teng romb shunday ichki chizilganki, 60⁰ li burchak ular uchun umumiy, rombning barcha uchlari uchburchakning tomonlarida yotadi. Uchburchak yuzini toping

A) √3/2

B) (8√3)/2

C) (81√3)/2

D) (1√3)/2

25 / 25

integralni hisoblang