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Matematika attestatsiya №4

InfoMaster

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) 0

B) 6

C) 5

D) 7

2 / 40

funksiyaning eng kichik musbat davrini toping.

A) 12

B) 18

C) 26

D) 24

3 / 40

tengsizlikning barcha butun yechimlari yig‘indisining natural bo’luvchilari yig‘indisi topilsin.

A) 21

B) 24

C) 28

D) 32

4 / 40

Muntazam oltiburchakning tomoni 2√6 ga teng. Shu ko‘pburchakka tengdosh bo‘lgan teng tomonli uchburchakning tomonini toping.

A) 30

B) 12

C) 24

D) 18

5 / 40

tengsizlikni yeching.

A) x∈(-5;1)

B) x∈(-∞;5)

C) x∈(-3;1)

D) x∈(-∞;5)∪(-3;1)

6 / 40

P(-2;2) nuqtadan o'tuvchi va a(6;4)a vektorga perpendikulyar bo'lgan to'g'ri chiziq tenglamasini toping.

A) 3x+2y-2=0

B) 3x-2y+2=0

C) 3x+2y+2=0

D) 3x-2y-2=0

7 / 40

Tengsizlikni yeching.

A) (-∞;-2]

B) [-3;2]∪{1}

C) [-3;-2]

D) [-2;1]∪{-3}

8 / 40

funksiyaning [2; 3] kesmadagi eng katta qiymatini

A) 4

B) 3

C) 7,5

D) 4,5

9 / 40

a va b raqamlar yig'indisi 7 ga qoldiqsiz bo'linadi. Agar ko'rinishdagi uch xonali sonlarning 7 ga bo'lganda bir xil qoldiq qolsa, shu qoldiqni toping.

A) 2

B) 6

C) 4

D) 0

10 / 40

Arifmetik progressiyada a_n+1=a_n+2 va a₄=4 bo'lsa, uning dastlabki 12 ta hadini yig'indisini toping.

A) 114

B) 126

C) 96

D) 108

11 / 40

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

A) 200 km

B) 0,2km

C) 20 km

D) 2 km

12 / 40

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

A) 34

B) 32

C) 36

D) 40

13 / 40

Standart shaklda yozing 0,000000000000013

1,3·10^-12
1,3·10^-13
1,3·10^-14
1,3·10^-15

A) 4

B) 3

C) 1

D) 2

14 / 40

x ni toping ?

A) 6

B) 5

C) 3

D) 4

15 / 40

Quyida berilgan tizimda yonma - yon shakillardagisonlar ustida pasdagi ( EKUB yoki EKUK topish) amali bajariladi , natija amal pastigi shakilga yoziladi

Shunga ko`ra 1 , 2 va 3 amallar EKUB yoki EKUK dan qaysi biri bo`lishi kerak

A) 1-EKUB 2-EKUK 3-EKUK

B) 1-EKUB 2-EKUB 3-EKUK

C) 1-EKUB 2-EKUB 3-EKUB

D) 1-EKUB 2-EKUK 3-EKUB

16 / 40

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

A) √5

B) 2,5

C) √6

D) 2,4

17 / 40

ni hisoblang.

A) 0

B) 2

C) 3

D) 1

18 / 40

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

A) 3

B) 1

C) 2

D) 4

19 / 40

Agar x²-6x+7=0 bo‘lsa, ni toping.

A) 48

B) 40

C) 28

D) 52

20 / 40

f(3x)=x+f(3x-3) va f(3)=1 bo'lsa, f(300) nechaga teng?

A) 4800

B) 600

C) 5050

D) 3600

21 / 40

Ayniyatdan foydalanib x + y + z ni toping:

A) 6

B) 9

C) 12

D) 3

22 / 40

Tenglamani yeching:

A) 9/5

B) 5*4

C) 5/9

D) 6/5

23 / 40

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

A) -4

B) -√17

C) √17

D) 4

24 / 40

Funksiyaning aniqlanish sohasini toping.

A) (-∞;0)∪(0;∞)

B) (-∞;3]∪[2;∞)

C) x∈R

D) [-3;2]

25 / 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) 17°

C) 24°

D) 7°

26 / 40

1, 1, 2, 3, 5, 8, 13, … ketma-ketlikning umumiy hadi an bo‘lsa, quyidagilardan qaysi biri to‘g‘ri?

A) 2

B) 4

C) 3

D) 1

27 / 40

cos75° ·cos 45° ·cos15° ni hisoblang.

A) 1/8

B) √3/4

C) √3/8

D) √2/8

28 / 40

Agar f(x) funksiya (-∞;∞) da qat’iy o‘suvchi funksiya bo‘lsa, y =3 f(x)-8 funksiya uchun quyidagi mulohazalardan qaysi biri to‘g‘ri bo‘ladi?

A) dastlab o‘sadi, keyin kamayadi

B) qat’iy o‘suvchi

C) qat’iy kamayuvchi

D) dastlab kamayadi, keyin o‘sadi

29 / 40

Burchagi 120° ga teng bo‘lgan doiraviy sektorga ichki doira chizilgan. Berilgan doiraning radiusi R ga teng bo‘lsa, yangi doiraning radiusi topilsin.

A) R(√3-√2)

B) 1,5R

C) √3R(2-√3)

D) 3R

30 / 40

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

A) 5

B) 4

C) 2

D) 1

31 / 40

a,b,c -1 dan katta musbat sonlar uchun a³=b² va a⁴=c⁵ bo'lsa, log_bc ni toping.

A) 8/15

B) 5/6

C) 1/3

D) 1/2

32 / 40

Agar bo‘lsa, m/n ni toping.

A) 3

B) 2

C) 4

D) (1+√5)/2

33 / 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) 12

D) 9

34 / 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

35 / 40

ABC o‘tkir burchakli uchburchakda sinA=4/5 va sinB=15/13 bo'lsa, sinC ni qiymatini toping.

A) 48/65

B) 36/65

C) 40/63

D) 56/65

36 / 40

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

A) 5

B) 9

C) 0

D) 1

37 / 40

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

A) 48

B) 64

C) 32

D) 16

38 / 40

Hisoblang:

A) 8

B) 4

C) 0

D) 6

39 / 40

Radiusi 25/4 bo‘lgan sferaga balandligi 8 ga teng bo‘lgan konus ichki chizilgan. Konusning hajmini toping.

A) 192π

B) 96π

C) 72π

D) 144π

40 / 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) 12√3

B) 6√5

C) 9√5

D) 8√3