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Matematika attestatsiya №4

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Yanvar 21, 2022

41 Ko'rishlar 1 izoh

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1 ovozlar, 1 avg

Matematika fanidan attestatsiya savollari №4

1 / 40

|x+1|=2|x–2| tenglamaning ildizlari yig’indisini toping.

A) 6

B) 0

C) 7

D) 5

2 / 40

funksiyaning eng kichik musbat davrini toping.

A) 24

B) 18

C) 26

D) 12

3 / 40

Qayiq daryo oqimga qarshi 48 km va oqim bo‘yicha ham shuncha yo‘l bosib, butun yo‘lga 5 soat vaqt sarfladi. Daryo oqimining tezligi 4 km/soat bo‘lsa, qayiqning xususiy tezligini toping.

A) 22

B) 20

C) 25

D) 18

4 / 40

$y^4+9x^2-4y^2-30x+29=0$ tenglikni qanoatlantiruvchi x va y sonlari uchun 19y²+99x ni toping.

A) 201

B) 289

C) 200

D) 203

5 / 40

ko’paytmani hisoblang.

A) 480000

B) 0

C) 10000

D) 86420000

6 / 40

f(x-1)+f(x+2)=2(x²+7) ekani ma‟lum bo'lsa, f(x) ko'phadni toping.

A) f(x)+2x²-1

B) f(x)=x²-4

C) f(x)=x²+3x+7

D) f(x)=x²-x+5

7 / 40

Aniq integralni hisoblang:

A) 3

B) 0

C) 0,5

D) 2

8 / 40

funksiyaning [2; 3] kesmadagi eng katta qiymatini

A) 4

B) 7,5

C) 4,5

D) 3

9 / 40

Muntazam uchburchak ichidan olingan nuqtadan uchburchak tomonlarigacha bo'lgan masofalar mos holda c(2;3;1), b(1;2;1) va a(1;2;3) vektorlarning absolut qiymatlariga teng bo'lsa, uchburchakning balandligini toping.

A) √6+√14

B) 16

C) 18

D) 2√14+√6

10 / 40

Bir odam shunday vasiyat qildi: “Naqd 10 dirham pulim bor. Bir kishiga qarz ham berganman. Qarzning miqdori o'g'lim oladigan merosga teng. Ikkala o'g'lim barobar meros olishsin. Ukamga jami merosning 0,2 qismini va yana 1 dirham beringlar”. U kishining o'g'illari necha dirhamdan meros olishgan?

A) 25/3

B) 8

C) 35/6

D) 6

11 / 40

Quyida berilgan shakillar ichidagi sonlar yig`indisi nolgateng bo`lishi uchun . Nechanchi shakilni olib tashlash kerak?

A) 4

B) 3

C) 1

D) 2

12 / 40

AM||KL , ∠BCD=70°,∠CDE=40°, ∠DEF =45°,∠EFG=80°, ∠FGK=70°∠MBC=x ga teng bo`lsa x ni toping ?

A) 20°

B) 30°

C) 10°

D) 40°

13 / 40

x ni toping ?

A) 6

B) 3

C) 5

D) 4

14 / 40

Eldor velosipetida 13m/s bilan 3 soniyada 15m tepalikka ko`tarilgan bo`lsa AC kesma uzunligi necha metr?

A) 40

B) 36

C) 32

D) 34

15 / 40

Shaharlar orasidagi masofa xaritada 5 sm ga teng bo`lsava xaritaning masshtabi 1:4000000 bo`lsa , shaharlar orasidagi haqiqiy masofa qanchaga teng ?

A) 0,2km

B) 2 km

C) 200 km

D) 20 km

16 / 40

Integralni hisoblang:

A) 3

B) 2

C) 1

D) 4

17 / 40

Aylana tashqarisidagi nuqtadan aylanaga kesuvchi o‘tkazilgan. Berilgan nuqtadan aylanani kesgan nuqtalarigacha bo‘lgan masofalar mos ravishda 9 va 45 ga teng bo‘lsa, shu nuqtadan aylanaga o‘tkazilgan urinmaning urinish nuqtasigacha bo‘lgan masofa uzunligini toping.

A) 6√5

B) 9√5

C) 12√3

D) 8√3

18 / 40

7/3 kasrning o‘nli kasr yoyilmasida verguldan keyingi 100- raqamni toping.

A) 4

B) 1

C) 2

D) 5

19 / 40

ni hisoblang.

A) 0

B) 2

C) 3

D) 1

20 / 40

Quyidagi sonini 9 ga bo‘lganda qoladigan qoldiqni toping.

A) 5

B) 1

C) 0

D) 8

21 / 40

tenglama intervalda nechta ildizga ega?

A) 1

B) 2

C) 3

D) 4

22 / 40

x²-n≤0 tengsizlik o‘rinli bo‘ladigan x ning 7 ta butun ildizi bor bo‘lsa. n nechta turli butun qiymat qabul qiladi?

A) 7

B) 15

C) 9

D) 12

23 / 40

Agar x²-6x+7=0 bo‘lsa, ni toping.

A) 48

B) 28

C) 40

D) 52

24 / 40

A, B,C,D, E natural sonlar. Agar EKUB(A,B,C)=10, EKUB(B,C,D,E)=15 bo‘lsa, A+ B+C+D+ E ning eng kichik qiymatini toping.

A) 120

B) 100

C) 80

D) 90

25 / 40

f(x)+f(3x)+f(5x)+...+f(39x)=(3x+10)⁴ bo'lsa, f'(0) ni toping.

A) 10

B) 0

C) 30

D) 25

26 / 40

Yig‘indini toping.

A) 1/6

B) 1/12

C) 1/9

D) 1/4

27 / 40

Agar x =17 bo‘lsa, quyidagi ifodaning qiymatini toping.

A) -4

B) -√17

C) √17

D) 4

28 / 40

Hisoblang:

A) 8

B) 0

C) 6

D) 4

29 / 40

2⁷⁵+3³⁰ sonini 41 ga bo‘lganda qoladigan qoldiqni aniqlang.

A) 5

B) 0

C) 1

D) 9

30 / 40

Raqamlari yig‘indisi 10 bo‘lgan nechta turli 3 xonali son bor?

A) 0,216

B) 0,144

C) 0,288

D) 0,432

31 / 40

Ayniyatdan foydalanib x + y + z ni toping:

A) 9

B) 6

C) 12

D) 3

32 / 40

sin a = x va 1+cos a= y bo‘lsa, x va y o‘zaro qanday bog‘langan?

A) 2

B) 1

C) 4

D) 3

33 / 40

ABCD trapetsiyaning AC diagonali CD yon tomonga perpendikulyar. Agar ∠D=69° va AB = BC bo‘lsa, B burchakni toping.

A) 138°

B) 135°

C) 142°

D) 132°

34 / 40

cos75° ·cos 45° ·cos15° ni hisoblang.

A) √3/4

B) √3/8

C) √2/8

D) 1/8

35 / 40

x>0 bo‘lsa, 128x+1/x² yig‘indining eng kichik qiymatini toping.

A) 16

B) 64

C) 32

D) 48

36 / 40

Tenglamani yeching:

A) 5*4

B) 9/5

C) 5/9

D) 6/5

37 / 40

Funksiyaning aniqlanish sohasini toping.

A) [-3;2]

B) (-∞;0)∪(0;∞)

C) (-∞;3]∪[2;∞)

D) x∈R

38 / 40

Uchburchakning 3 va 4 ga teng bo‘lgan tomonlariga o‘tkazilgan medianalar o‘zaro perpendikulyar bo‘lsa, bu uchburchakning uchinchi tomonini toping.

A) 2,4

B) √6

C) √5

D) 2,5

39 / 40

Agar bo‘lsa, m/n ni toping.

A) 4

B) 2

C) (1+√5)/2

D) 3

40 / 40

To‘g‘ri burchakli uchburchakning bir burchagi 52° ga teng bo‘lsa, to‘g‘ri burchak uchidan tushirilgan balandlik va mediana orasidagi burchakni toping.

A) 14°

B) 24°

C) 7°

D) 17°