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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

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

A) (-1;1/3)

B) (-∞;-1)

C) [-1;-1/3]

D) (-1/3;+∞)

2 / 25

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

A) 36

B) 12

C) 0

D) -12

3 / 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

4 / 25

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

A) 0,0282

B) 0,623

C) 0,0321

D) 0,3265

5 / 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

C) y=2x+3

D) y=3x-2,2

6 / 25

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

A) (4√2)3

B) 4

C) (2√5)/3

D) (4√2)/5

7 / 25

funksiya hosilasining x₀=-2 nuqtadagi qiymatini hisoblang.

A) -38/31

B) 38/31

C) -38/961

D) 38/961

8 / 25

Koordinatalar boshidan y=x²-4x+3 parabolaning simmetriya o’qigacha bo’lgan masofani toping.

A) 2

B) 3

C) 4

D) 1

9 / 25

Funksiya hosilasini toping

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

A) 16x+14

B) 12x+14

C) 3x+1

D) 12x

10 / 25

Moddiy nuqtaning berilgan t vaqtdagi tezligini hisoblang: $s(t)=t^3-2t^2+t$ , t=5

A) 90

B) 75

C) 70

D) 80

11 / 25

Murakkab funksiyaning hosilasini toping. y=x²sinx

A) y’=2xsinx+x²cosx

B) y’=-2xsinx+x²

C) y’=x²cosx-2xsinx

D) y’=2xsinx-x²

12 / 25

A) 20

B) 13

C) 14

D) 18

13 / 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

14 / 25

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

A) 5

B) 4

C) 6

D) 7

15 / 25

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

A) 6

B) 7

C) 6

D) 8

16 / 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; 4,9 dm

B) 17,64 dm; 4,2 dm

C) 17,64 dm²; 4,2 dm

D) 17,68 dm²; 4,2 dm

17 / 25

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

A) (-∞;-1)U(8;+∞)

B) (2;3)U(3;+∞)

C) (8;+∞)

D) (-∞;-8)U(2;3)U(3;+∞)

18 / 25

B,C,D,E nuqtalar aylanadagi, A esa aylanadan tashqaridagi nuqtalar. D nuqta AE kesmada, B esa AC kesmada yotadi. Agar AE=12 va AC=16 bo’lsa, BE vatar uzunligining CD vatar uzunligiga nisbatini toping

A) 3/4

B) 3

C) 1

D) 4

19 / 25

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

A) 3

B) Ø

C) 1

D) 2

20 / 25

cos15⁰*cos45⁰ *cos75⁰ ni hisoblang

A) √2/2

B) √8/2

C) 2√2

D) √2

21 / 25

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

A) 24

B) -24

C) 23

D) -23

22 / 25

chiziqlar bilan chegaralangan shaklning yuzini toping

A) 0,5

B) √2

C) 1

D) 2

23 / 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) 23

D) 14

24 / 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) √22

B) 2

C) √2

D) 1

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) 335

B) 1/2

C) 4

D) 1