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9-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

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9-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

Arifmetik progressiyada $a_{1}$ = $-20.7$ d=1,8 bo'lsa, qaysi nomerli haddan boshlab progressiyaning barcha hadlari musbat bo'ladi?

A) 12

B) 18

C) 13

D) 15

2 / 25

Arifmetik progressiyada $a_{1}$ =7, d=5,
$S_{n}$ =14 023 bo'lsa, n ni toping?

A) 55

B) 39

C) 100

D) 74

3 / 25

Tomonlari 6 sm va 7 sm bo‘lgan to‘g‘ri to‘rtburchakka tashqi chizilgan doira yuzini toping

A) 1,25π sm²

B) 21,25π sm²

C) 21π sm²

D) 21,2π sm²

4 / 25

701 soni 1, 8, 15, 22, progressiyaning nechanchi nomerli hadi?

A) 100

B) 102

C) 101

D) 99

5 / 25

Aylananing 90° li yoyi uzunligi 15π sm. Aylana radiusini toping

A) 30 sm

B) 42 sm

C) 40 sm

D) 38 sm

6 / 25

Parallelogrammning tomonlari 7√3 va 6 sm. Agar uning o‘tmas burchagi 120° bo‘lsa, uning yuzini toping

A) 63 sm²

B) 70 sm²

C) 78 sm²

D) 68 sm²

7 / 25

Arifmetik progressiyada $a_{2}-a_{6}$ =44, $a_{5}-a_{1}$ =20 bo'lsa $a_{100}$ ni toping?

A) 495

B) 502

C) 334

D) 335

8 / 25

x= -2 da y=2x² +5x-3 funksiyaning qiymatini toping

A) -4

B) 0,5

C) 5

D) -5

9 / 25

Amallarni bajaring:

A) 213

B) 60

C) 69

D) 61

10 / 25

Proporsiyaning noma’lum hadini toping

A) 7/11

B) 1

C) 2

D) 14/11

11 / 25

Parabola uchining koordinatalarini toping: y=x²+6x+5

A) (3;-4)

B) (3;4)

C) (-3;4)

D) (-3;-4)

12 / 25

Hisoblang

A) 6

B) -2

C) 2

D) 7

13 / 25

y = x² +x -6 funksiya x ning qanday qiymatlarida manfiy qiymatlar qabul qiladi

A) (-∞;2) U (3; ∞)

B) (-∞;1) U (6; ∞)

C) (2; 3)

D) (-3; 2)

14 / 25

x² + 8x+15 ≤ 0 tengsizlikning butun yechimlari yig`indisini toping

A) -4

B) -12

C) 23

D) 12

15 / 25

Quyidagi tengsizliklardan qaysi biri kvadrat tengsizlik ekanini toping

A) 4x -5 > 0

B) 2x³ + 3x²-4x +7 > 0

C) 41x² – 9x + 1 < 0

D) x⁴-4< 0

16 / 25

Kvadrat funksiyaning nollarini toping:
y = x² - 5x + 6

A) x₁=2, x₂ =3

B) x₁= -2, x₂= -3

C) x₁= -1, x₂= - 6

D) x₁=1, x₂=6

17 / 25

Kvadrat tengsizlikni yeching:
3x² – 5x -2 > 0

A) (-1/3 ; 2)

B) (-∞; 1/3 ) U ( 2; ∞)

C) (-∞; -1/3 ) U ( 2; ∞)

D) (1/3 ; 2)

18 / 25

AB va CD kesmalar O nuqtada kesishadi, AO = 12m, BO = 3 sm, CO = 28 sm, DO = 7 sm bo`lsa, AOC va BOD uchburchaklar yuzlari nisbatini toping

A) 16

B) 4

C) 9

D) 12

19 / 25

4x² + 4x +1 ≤0 tengsizlikni yeching

A) (-∞; -1/2)

B) (-∞; -1)U(4;∞)

C) (- ∞; ∞)

D) x = - 1/2

20 / 25

Funksiyalarning qaysi biri toq funksiya?

A) 1,4

B) 2,3

C) 2,4

D) 1,2

21 / 25

Agar sina=12/13 bo’lsa, ctga ni toping

A) 5/12

B) 5/13

C) 1

D) 12/5

22 / 25

Tomoni 7√2 sm va o‘tmas burchagi 135° bo‘lgan romb yuzini toping

A) 64√2 sm²

B) 50√3 sm²

C) 49√2 sm²

D) 49√3 sm²

23 / 25

Ifodaning qiymatini toping sin300^°

A) 2/√3

B) 0

C) -1/2

D) 1/2

24 / 25

Ifodani soddalashtiring

A) tgɑ

B) 1/sin²ɑ

C) ctgɑ

D) 2/sin²ɑ

25 / 25

Poyezd har 30 m yo‘l yurganda 1 m tepaga ko‘tariladi. Temir yo‘lning gorizontga nisbatan ko‘tarilish burchagini toping

A) 2°

B) 30°

C) 60°

D) 22°

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