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9-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

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Tomonidan yaratilgan InfoMaster

9-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

1 va 11 sonlari orasida 99 ta shunday sonni joylashtiringki, ular bu sonlar bilan birgalikda arifmetik progressiya tashkil qilsin. Bu progressiya uchun $S_{50}$ ni toping?

A) 300

B) 345/2

C) 178/3

D) 495/2

2 / 25

Geometrik progressiyada $b_{1}$ =2, q=3 bo'lsa, $S_{6}$ ni toping?

A) 335

B) 336

C) 337

D) 728

3 / 25

Arifmetik progressiyada $a_{1}$ =1, a₁₀₁ =301 bo’lsa, d ni toping?

A) 3,5

B) 4

C) 3

D) 2

4 / 25

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

A) 102

B) 100

C) 101

D) 99

5 / 25

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

A) 38 sm

B) 30 sm

C) 40 sm

D) 42 sm

6 / 25

Arifmetik progressiyada d=4, $S_{50}$ =5000 bo'lsa, $a_{1}$ ni toping?

A) 100

B) 2

C) -2

D) 1250

7 / 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) 4

B) 16

C) 12

D) 9

8 / 25

Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ?

A) y = 2010x² + 41x + 9

B) y = 3x² + x³ – 8

C) y = 2x -3

D) y = 5x⁴ + 6x

9 / 25

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

A) (-∞; 1/3 ) U ( 2; ∞)

B) (-∞; -1/3 ) U ( 2; ∞)

C) (-1/3 ; 2)

D) (1/3 ; 2)

10 / 25

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

A) x₁= -2, x₂= -3

B) x₁= -1, x₂= - 6

C) x₁=1, x₂=6

D) x₁=2, x₂ =3

11 / 25

Tenglamaning musbat ildizini toping

A) 32

B) 45

C) 64

D) 9

12 / 25

Agar 90^°° bo’lsa, quyidagilardan qaysi biri musbat

A) tga

B) cosa

C) sina

D) ctga

13 / 25

Agar sina=3/5 va 90^°° bo’lsa, сosa ni toping

A) -4/5

B) -3/4

C) 4/5

D) 3/4

14 / 25

Hisoblang

A) √2

B) √23

C) √7

D) √589

15 / 25

sina=1/2 bo’lgan o’tkir burchakni ko’rsating

A) 45°

B) 90°

C) 60°

D) 30°

16 / 25

Amallarni bajaring:

A) 69

B) 61

C) 213

D) 60

17 / 25

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

A) Kesishish nuqtasida 2:1 nisbatda bo’linadi

B) Har biri uchburchakni ikkita tengdosh qismga ajratadi

C) Bir nuqtada kesishadi

D) Bir – biriga teng

18 / 25

Proporsiyaning noma’lum hadini toping

A) 2

B) 7/11

C) 1

D) 14/11

19 / 25

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

A) 5/12

B) 1

C) 5/13

D) 12/5

20 / 25

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

A) 4

B) 8

C) 3

D) 2

21 / 25

Tenglamani yeching: cos(x-π )=0

A) 3π/2

B) 3π/2+2πk

C) πk

D) 2πk

22 / 25

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

A) 61 sm²

B) 56 sm²

C) 73 sm²

D) 63 sm²

23 / 25

Ifodani soddalashtiring

A) ctgɑ

B) tgɑ

C) 1/sin²ɑ

D) 2/sin²ɑ

24 / 25

Burchakning gradus o’lchovini toping: 3π/4

A) 140°

B) 135°

C) 35°

D) 150°

25 / 25

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

A) 50√3 sm²

B) 49√3 sm²

C) 49√2 sm²

D) 64√2 sm²

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