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11-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

282 Ko'rishlar 83 izohlar

SaqlashSaqlanganOlib tashlandi 4

OMAD YOR BO'LSIN!

11-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 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) 41

B) 61

C) 71

D) 51

2 / 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) 19600

B) 25600

C) 14400

D) 8100

3 / 25

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

A) 124 dm

B) 124 dm²

C) 224 dm²

D) 135 dm²

4 / 25

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

A) 6

B) 4

C) 7

D) 5

5 / 25

integralni hisoblang

A) 5ln2e

B) 5ln4e

C) 5

D) 5ln3e³

6 / 25

Tekislikdagi 1 m masofada yotgan nuqtadan ikkita teng og’ma o’tkazilgan. Agar og’malar perpendikulyar va tekislikka o’tkazilgan perpendikulyar bilan 60⁰ ga teng burchaklar tashkil etsa, og’malarning asoslari orasidagi masofani toping

A) 1

B) 2√3

C) 4√2

D) 2√2

7 / 25

$y=6^{ln(x^{2}+5)}$ funksiyasining kamayish oralig’ini toping

A) ∅

B) (-∞;0]

C) (0;+∞)

D) (-√5;√5)

8 / 25

Funksiyaning aniqlanish sohasini toping : y=log_x-2(x²+7x-8)

A) (-∞;-8)U(2;3)U(3;+∞)

B) (-∞;-1)U(8;+∞)

C) (8;+∞)

D) (2;3)U(3;+∞)

9 / 25

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

A) 3

B) Ø

C) 1

D) 2

10 / 25

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

A) 9

B) 8

C) 16

D) 4

11 / 25

tengsizlikning yechimi bo’lgan eng kichik natural sonni toping

A) 5

B) 3

C) 4

D) 1

12 / 25

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

A) [-π/9+2πn/3; 2π/9+2πn/3]

B) ø

C) (-π/2+n π;- π/2+n π)

D) [-π/9+n π/3;2 π/9+n π/3]

13 / 25

cos15⁰*cos45⁰ *cos75⁰ ni hisoblang

A) √2/2

B) √8/2

C) √2

D) 2√2

14 / 25

Uchburchakli muntazam prizma asosining radiusi $\sqrt{3}$ ga va balandligi 2 ga teng bo’lgan silindrga ichki chizilgan. Prizma yon sirtining yuzini toping

A) 335

B) 4

C) 3

D) 36

15 / 25

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

A) 24

B) -23

C) 23

D) -24

16 / 25

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

A) (-1;1/3)

B) (-1/3;+∞)

C) (-∞;-1)

D) [-1;-1/3]

17 / 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) 0,25

C) 0,15

D) 0,5

18 / 25

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

A) 0,0321

B) 0,0282

C) 0,623

D) 0,3265

19 / 25

Funksiya hosilasini toping: f(x)=5

A) 5

B) 0

C) x

D) 10

20 / 25

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

A) -4

B) 131

C) -13

D) 13

21 / 25

$f(x)=x^3-2x^2+3x-2$ funksiya grafigiga x=4 abssissali nuqtada o`tkazilgan urinma tenglamasini tuzing

A) y=20x+20

B) y=35x

C) y=35x+30

D) y=10x

22 / 25

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

A) (-4;-3;9)

B) (-8;-3;6)

C) (-4;-6;6)

D) (-4;-3;6)

23 / 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

24 / 25

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

A) 1.5

B) 2

C) 0.5

D) 0

25 / 25

Murakkab funksiyaning hosilasini toping. y=x²sinx

A) y’=-2xsinx+x²

B) y’=2xsinx+x²cosx

C) y’=2xsinx-x²

D) y’=x²cosx-2xsinx

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