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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

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

A) 15

B) -17

C) -13

D) 17

2 / 25

A(2;0;-3) va B(3;4;0) nuqtalar orasidagi masofani toping

A) 25

B) 16

C) √24

D) √26

3 / 25

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

A) y=35x

B) y=20x+20

C) y=35x+30

D) y=10x

4 / 25

tgx funksiya hosilasini toping

A) 1/cos²x

B) sinx

C) cosx

D) 1/sinx

5 / 25

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

A) 21x²-10x

B) 12x+12

C) 14x+12

D) 12x²-12

6 / 25

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

A) (-1/3;+∞)

B) (-∞;-1)

C) (-1;1/3)

D) [-1;-1/3]

7 / 25

Funksiya hosilasini toping: f(x)=5

A) 5

B) 0

C) x

D) 10

8 / 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√2)/5

C) (2√5)/3

D) 4

9 / 25

Funksiya hosilasini toping

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

A) 3x+1

B) 16x+14

C) 12x+14

D) 12x

10 / 25

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

A) [-π/9+n π/3;2 π/9+n π/3]

B) (-π/2+n π;- π/2+n π)

C) ø

D) [-π/9+2πn/3; 2π/9+2πn/3]

11 / 25

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

A) 4

B) 16

C) 8

D) 9

12 / 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

B) 3√3

C) 3

D) 2√3

13 / 25

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

A) -35/37

B) 37/35

C) 35/37

D) -37/35

14 / 25

cos15⁰*cos45⁰ *cos75⁰ ni hisoblang

A) 2√2

B) √2/2

C) √8/2

D) √2

15 / 25

aniq integralni hisoblang

A) 4

B) 2

C) 2,5

D) 6

16 / 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) 8

C) 6

D) 7

17 / 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) 135 dm²

D) 224 dm²

18 / 25

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

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

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

C) F(x)=2sin4x+c

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

19 / 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) 2300

B) 2330

C) 1023

D) 2025

20 / 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) 8;10

B) 4;10

C) 4;11

D) 4;18

21 / 25

Massasi 735 gr va konsentratsiyasi 16% bo’lgan yodning spirtdagi eritmasiga qancha toza spirt qo’shilsa, uning konsentratsiyasi 10% bo’ladi

A) 420

B) 256

C) 441

D) 252

22 / 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) 4√2

B) 2√2

C) 1

D) 2√3

23 / 25

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