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11-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

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11-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

f(x)=(sinx)^cosx bo’lsa, f '(5π/6) ni toping

A) (ln2+3)/2)*(√2^√3)

B) (ln2+3)/2)*(√2^√2)

C) (ln2+3)/2)*(√3^√3)

D) (ln2-3)/2)*(√2^√3)

2 / 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) √3/2

D) (1√3)/2

3 / 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^(-π)

D) e^(0.5π)

4 / 25

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

A) 8

B) 6

C) 6

D) 7

5 / 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;18

B) 4;11

C) 4;10

D) 8;10

6 / 25

$\sqrt[3]{131}$ sonini taqriban hisoblang.

A) 5,08

B) 4,08

C) 3,08

D) 5,01

7 / 25

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

A) 7

B) 6

C) 4

D) 5

8 / 25

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

A) 124 dm

B) 135 dm²

C) 224 dm²

D) 124 dm²

9 / 25

Agar f(x)=x² va bo`lsa ,f(g(-4)) ni toping

A) -12

B) 0

C) 12

D) 36

10 / 25

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

A) [-1;-1/3]

B) (-1/3;+∞)

C) (-1;1/3)

D) (-∞;-1)

11 / 25

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

A) 4

B) (2√5)/3

C) (4√2)3

D) (4√2)/5

12 / 25

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

A) 70

B) 84

C) 60

D) 74

13 / 25

Nargiza 4minutda 260ta so`zni terib, 7ta imloviy xatoga yo`l qo`ydi. Nargizaning matn terish sifatini aniqlang

A) 0,0269

B) 0,6

C) 0,01

D) 0,5

14 / 25

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

A) √55

B) √66

C) √24

D) √19

15 / 25

A(1;-2;2), B(1;4;0), C(-4;1;1) va D(-5;-5;3) nuqtalar berilgan. AC va BD vektorlar orasidagi burchakni toping

A) 80°

B) 15°

C) 52°

D) 90°

16 / 25

Funksiyaning kamayish oraliqlarini toping

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

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

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

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

17 / 25

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

A) -13

B) -17

C) 15

D) 17

18 / 25

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

A) 12x²-12

B) 21x²-10x

C) 14x+12

D) 12x+12

19 / 25

tgx funksiya hosilasini toping

A) 1/cos²x

B) sinx

C) cosx

D) 1/sinx

20 / 25

chiziqlar bilan chegaralangan shaklning yuzini toping

A) √2

B) 2

C) 1

D) 0,5

21 / 25

Trapetsiyaning kichik asosi 6 ga va yon tomoni 5 va 7 ga teng. Uning kata asosi ham butun son bo’lsa, perimetri eng ko’pi bilan nechaga teng bo’lishi mumkin

A) 4

B) 3

C) 1

D) 3√2

22 / 25

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

A) -37/35

B) -35/37

C) 37/35

D) 35/37

23 / 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) 1

B) 2

C) √2

D) √22

24 / 25

cos15⁰*cos45⁰ *cos75⁰ ni hisoblang

A) 2√2

B) √8/2

C) √2

D) √2/2

25 / 25

Ixtiyoriy kvadratga tashqi va ichki chizilgan aylanalar yuzlari nisbati a ga teng. Ixtiyoriy aylanaga ichki va tashqi chizilgan kvadratlar yuzlari nisbati b ga teng bolsa, a/b ni toping

A) 1/2

B) 4

C) 335

D) 1