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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

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

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

B) F(x)=2sin4x+c

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

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

2 / 25

F(x)=0.2sin(5x+12) funksiyasi uchun f(x) ni toping

A) f(x)=0.5cos(5x+12)

B) f(x)=-0,5sin(5x+12)

C) f(x)=cos(5x+12)

D) f(x)=-cos(5x+12)

3 / 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) 2330

B) 1023

C) 2300

D) 2025

4 / 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) 8100

B) 25600

C) 19600

D) 14400

5 / 25

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

A) 8

B) 9

C) 16

D) 4

6 / 25

chiziqlar bilan chegaralangan shaklning yuzini toping

A) √2

B) 0,5

C) 2

D) 1

7 / 25

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

A) -23

B) -24

C) 23

D) 24

8 / 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) 2

C) 2√3

D) 3√3

9 / 25

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

A) [-π/9+2πn/3; 2π/9+2πn/3]

B) (-π/2+n π;- π/2+n π)

C) ø

D) [-π/9+n π/3;2 π/9+n π/3]

10 / 25

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

A) 125°

B) 55°

C) 105°

D) 75°

11 / 25

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

A) 12

B) 36

C) 16

D) 0

12 / 25

Funksiya hosilasini toping

f(x)=(2x+4)(3x+1)

A) 12x

B) 16x+14

C) 3x+1

D) 12x+14

13 / 25

$f(x)=x^4-8x^2+3$ funksiyaning [-4;1] kesmadagi eng kata qiymatini toping.

A) -4

B) -13

C) 13

D) 131

14 / 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

15 / 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-2,25

B) y=2x+3

C) y=3x-2,2

D) y=2x

16 / 25

A) 13

B) 20

C) 18

D) 14

17 / 25

Moddiy nuqta S(t)=5t³+3t²+2t+4 qonuniyat bilan harakatlanayotgan jismning t=2 sekunddagi tezligini toping.

A) 70

B) 74

C) 84

D) 60

18 / 25

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

A) 15

B) -17

C) 17

D) -13

19 / 25

Murakkab funksiyaning hosilasini toping. y=x²sinx

A) y’=2xsinx+x²cosx

B) y’=-2xsinx+x²

C) y’=2xsinx-x²

D) y’=x²cosx-2xsinx

20 / 25

Limitni hisoblang:

A) -3

B) 4

C) -4

D) 3

21 / 25

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

A) 1.5

B) 2

C) 0

D) 0.5

22 / 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) (81√3)/2

B) (8√3)/2

C) (1√3)/2

D) √3/2

23 / 25

2cosx+sinx=-2 tenglamaning [-π;π] kesmada nechta ildizi bor

A) Ø

B) 1

C) 2

D) 3

24 / 25

integralni hisoblang