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Matematika attestatsiya №4

InfoMaster

Yanvar 21, 2022

72 Ko'rishlar 1 izoh

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1 ovozlar, 1 avg

Matematika fanidan attestatsiya savollari №4

1 / 40

funksiyaning eng kichik musbat davrini toping.

A) 18

B) 24

C) 26

D) 12

2 / 40

bo‘lsa, ning qiymatini toping.

A) 0,7

B) 1

C) 2

D) 0,5

3 / 40

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

A) 24

B) 21

C) 28

D) 32

4 / 40

tengsizlik yechimi bo’la oladigan tub sonlar nechta?

A) 5

B) 4

C) 3

D) 2

5 / 40

Hisoblash natijasida hosil bo’lgan sondan 4 marta katta sonning natural bo’luvchilari soni a bo’lsa , a ning butun bo’luvchilari sonini toping.

A) 16

B) 8

C) 32

D) 24

6 / 40

tenglamaning ildizlari yig'indisini(agar ildizi bitta bo'lsa, o'zini) toping.

A) 2

B) 3

C) 1

D) 0

7 / 40

Ushbu sistemaga ko'ra (ac+bd)² ni toping.

A) 2

B) 4

C) 3

D) 1

8 / 40

y=f(x) funksiya uchun tenglik o'rinli bo'lsa, f(π/4)=?

A) 1/3

B) 1/4

C) 4

D) 1/5

9 / 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

10 / 40

f(x)=3^x-2 funksiyaning qiymatlar sohasini toping.

A) (0; ∞)

B) (-1; ∞)

C) [-1; ∞)

D) (-2; ∞)

11 / 40

Hisoblang 200−199+198−197+⋯+4−3

A) 100

B) 98

C) 99

D) 101

12 / 40

Soddalashtiring.

A) (a-1)/(a-3)

B) (a-1)/(1-b)

C) (b+2)/(1-b)

D) (a+1)/(-a-3)

13 / 40

Tengsizlikni qanoatlantiradigan eng kichik ikkita butunsonning yig`indisini toping?

A) 5

B) 3

C) 4

D) 6

14 / 40

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

A) 20 km

B) 0,2km

C) 200 km

D) 2 km

15 / 40

DC||AB , ∠DCE=45°,∠CEA=x va ∠EAB=115° ga tengbo`lsa x ni toping ?

A) 110°

B) 130°

C) 100°

D) 120°

16 / 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) 9√5

B) 6√5

C) 12√3

D) 8√3

17 / 40

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

A) 1/2

B) 1/3

C) 8/15

D) 5/6

18 / 40

Ayniyatdan foydalanib x + y + z ni toping:

A) 12

B) 3

C) 6

D) 9

19 / 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) 132°

D) 142°

20 / 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) qat’iy kamayuvchi

B) dastlab kamayadi, keyin o‘sadi

C) qat’iy o‘suvchi

D) dastlab o‘sadi, keyin kamayadi

21 / 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) 80

C) 90

D) 100

22 / 40

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

A) 40/63

B) 56/65

C) 36/65

D) 48/65

23 / 40

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

A) 48

B) 64

C) 16

D) 32

24 / 40

tenglama intervalda nechta ildizga ega?

A) 2

B) 4

C) 3

D) 1

25 / 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) 9

B) 15

C) 12

D) 7

26 / 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

27 / 40

Tenglamalar sistemasidan foydalanib x + y + z ni toping:

A) 10

B) 6

C) 8

D) berilganlar yetarli emas

28 / 40

Bo‘yi 130 cm, eni 90 cm, balandligi 60 cm bo‘lgan idishdagi suvning 234 litri olindi. Idishda qolgan suvning (sathi) balandligini toping.

A) 35

B) 25

C) 20

D) 40

29 / 40

cos75° ·cos 45° ·cos15° ni hisoblang.

A) 1/8

B) √2/8

C) √3/4

D) √3/8

30 / 40

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

A) 3

B) 1

C) 4

D) 2

31 / 40

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

A) 9

B) 5

C) 0

D) 1

32 / 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) 1,5R

B) √3R(2-√3)

C) 3R

D) R(√3-√2)

33 / 40

Quyidagi sonini 9 ga bo‘lganda qoladigan qoldiqni toping.

A) 8

B) 0

C) 1

D) 5

34 / 40

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

A) 72π

B) 192π

C) 96π

D) 144π

35 / 40

Tenglamaning natural ildizining butun bo‘luvchilari nechta?

A) 6

B) 5

C) 2

D) 4

36 / 40

Agar x²-6x+7=0 bo‘lsa, ni toping.

A) 48

B) 28

C) 40

D) 52

37 / 40

Yig‘indini toping.

A) 1/4

B) 1/6

C) 1/12

D) 1/9

38 / 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) 24°

B) 17°

C) 7°

D) 14°

39 / 40

Agar bo‘lsa, m/n ni toping.