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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

Hisoblang

A) 9

B) 2

C) -2

D) 3

2 / 25

Tenglamaning musbat ildizini toping

A) 9

B) 32

C) 45

D) 64

3 / 25

Proporsiyaning noma’lum hadini toping

A) 7/11

B) 1

C) 14/11

D) 2

4 / 25

Sonlarni o’sish tartibida joylashtiring

A) c<a<b

B) a<b<c

C) b<a<c

D) c>a>b

5 / 25

Funksiyaning aniqlanish sohasini toping

A) (-∞;+∞ )

B) x≠1

C) x≥ 1

D) x≤1

6 / 25

Uchburchak medianalari uchun noto’g’ri tasdiqni ko’rsating

A) Kesishish nuqtasida 2:1 nisbatda bo’linadi

B) Bir nuqtada kesishadi

C) Bir – biriga teng

D) Har biri uchburchakni ikkita tengdosh qismga ajratadi

7 / 25

tg60^° ni toping

A) √3

B) 1

C) √2

D) √2/2

8 / 25

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

A) 30°

B) 22°

C) 2°

D) 60°

9 / 25

To‘g‘ri burchakli trapetsiyaning o‘tkir burchagi 30° ga, balandligi 4 sm ga va kichik asosi 6 sm ga teng. Trapetsiyaning yuzini toping

A) (2+8√3) sm²

B) 8√3 sm²

C) 1

D) (24+8√3) sm²

10 / 25

Funksiyalarning qaysi biri juft funksiya

A) 1,2

B) 3,4

C) 2,3

D) 1,4

11 / 25

Uchburchakning ikki tomoni 2 sm va 4 sm bo’lib, ular orasidagi burchagi 30^°. Uchburchak yuzini toping

A) 8

B) 2

C) 4

D) 3

12 / 25

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

A) 49√2 sm²

B) 49√3 sm²

C) 64√2 sm²

D) 50√3 sm²

13 / 25

Parabolaning koordinata o`qlari bilan kesishish nuqtalarining koordinatalarini toping: y = -2x² – 8x +10

A) (-2;0), (8;0), (0;6)

B) (2;0), (-8;0), (0;-6)

C) (-1;0), (5;0), (0;-10)

D) (1;0), (-5;0), (0;10)

14 / 25

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

A) x₁=1, x₂=6

B) x₁=2, x₂ =3

C) x₁= -1, x₂= - 6

D) x₁= -2, x₂= -3

15 / 25

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

A) (-∞; -1/3 ) U ( 2; ∞)

B) (-1/3 ; 2)

C) (1/3 ; 2)

D) (-∞; 1/3 ) U ( 2; ∞)

16 / 25

Kvadrat tengsizlikni yeching: x² – 4x +6 > 0

A) (-∞;1) U (6; ∞)

B) to'g'ri javob yo`q

C) (-4; 6)

D) (2; 3)

17 / 25

7 ga karrali dastlabki nechta natural sonni qo'shganda 385 hosil bo'ladi?

A) 15

B) 18

C) 13

D) 10

18 / 25

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

A) 30 sm

B) 38 sm

C) 42 sm

D) 40 sm

19 / 25

Geometrik progressiyada $S_{1}$ =10, $S_{5}$ =310 bo'lsa, q ni toping?

A) 12

B) 2

C) 4

D) 17

20 / 25

Ifodani soddalashtiring:

A) tgɑ*tgβ

B) tgɑ*cosβ

C) sinɑ*tgβ

D) ctgɑ*tgβ

21 / 25

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

A) 502

B) 495

C) 335

D) 334

22 / 25

8 ga bo’lganda 7 qoldiq beradign ketma-ketlikning 5-hadini belgilang?

A) 39

B) 63

C) 55

D) 74

23 / 25

Hisoblang:

A) 3/2

B) 1

C) 2

D) 1/2

24 / 25

Arifmetik progressiyada $a_{2}+a_{9}$ =20 bo'lsa, $S_{10}$ ni toping?

A) 110

B) 100

C) 90

D) 200

25 / 25

Asoslari 6 sm va 3 sm bo‘lgan to‘g‘ri burchakli trapetsiyaga ichki chizilgan aylana radiusini toping

A) 8 sm

B) 2 sm

C) 10 sm

D) 4 sm

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