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11-sinf Matematika 3-chorak

InfoMaster

Aprel 20, 2021

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11-sinf Matematika 3-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) 125°

B) 105°

C) 55°

D) 75°

2 / 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) 1

B) 3

C) 14

D) 23

3 / 25

tengsizlikning yechimi bo’lgan eng kichik natural sonni toping

A) 4

B) 5

C) 3

D) 1

4 / 25

chiziqlar bilan chegaralangan shaklning yuzini toping

A) 2

B) 0,5

C) √2

D) 1

5 / 25

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

A) [-π/9+n π/3;2 π/9+n π/3]

B) [-π/9+2πn/3; 2π/9+2πn/3]

C) ø

D) (-π/2+n π;- π/2+n π)

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) 2

C) 3

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) 1

D) 2

8 / 25

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

A) (2√5)/3

B) (4√2)/5

C) (4√2)3

D) 4

9 / 25

$\lim_{x\rightarrow -1}(5-2x)$ limitni hisoblang

A) 5

B) 6

C) 7

D) 0

10 / 25

Uchlari A(2;-3;4) va B(-2;4;5) nuqtalarda bo’lgan AB kesmasining uzunligini toping

A) √19

B) √55

C) √24

D) √66

11 / 25

A) 18

B) 13

C) 20

D) 14

12 / 25

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

A) (-8;-3;6)

B) (-4;-6;6)

C) (-4;-3;9)

D) (-4;-3;6)

13 / 25

funksiya hosilasining x₀=-2 nuqtadagi qiymatini hisoblang.

A) 38/31

B) 38/961

C) -38/31

D) -38/961

14 / 25

f(x)=3x²-5x+4 va g(x)=4x-5 funksiyalarining urinmalari parallel bo’ladigan nuqtalarini toping.

A) 0

B) 0.5

C) 2

D) 1.5

15 / 25

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

A) 0

B) 16

C) 36

D) 12

16 / 25

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

A) 0,3265

B) 0,623

C) 0,0282

D) 0,0321

17 / 25

Limitni hisoblang:

A) -3

B) 3

C) -4

D) 4

18 / 25

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

A) x=3, x=2

B) x=-1, x=3

C) x=0, x=2

D) x=-1, x=2

19 / 25

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

A) (4;9;9)

B) (2;5;3)

C) (-2;-5;-3)

D) (4;9;9)

20 / 25

Funksiya hosilasini toping: $f(x)=7x^3-5x^2+4$

A) 14x+12

B) 12x²-12

C) 21x²-10x

D) 12x+12

21 / 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) 0,5

B) 0,15

C) 1,5

D) 0,25

22 / 25

To’g’ri to’rtburchak shaklidagi yer maydoninig atrofini o’rashmoqchi. 480 m panjara yordamida eng ko’pi bilan necha kvadrat metr yer maydonni o’rash mumkin?

A) 25600

B) 8100

C) 14400

D) 19600

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.