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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

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

A) 335

B) 337

C) 336

D) 728

2 / 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) 4 sm

D) 10 sm

3 / 25

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

A) 68 sm²

B) 63 sm²

C) 70 sm²

D) 78 sm²

4 / 25

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

A) 4

B) 2

C) 12

D) 17

5 / 25

Ifodani soddalashtiring:

A) sinɑ*tgβ

B) tgɑ*tgβ

C) tgɑ*cosβ

D) ctgɑ*tgβ

6 / 25

Geometrik progressiyada q=√3/2, b1=c-√3 bo'lsa, S ni toping?

A) 2√3 /3

B) 3

C) 2-√3

D) 2

7 / 25

Funksiyalarning qaysi biri toq funksiya?

A) 1,2

B) 2,3

C) 1,4

D) 2,4

8 / 25

To’g’ri burchakli uchburchakning gipotenuzasi 18 sm va bir kateti 4 sm bo’lsa, uning ikkinchi katetini toping

A) 340

B) 2√27

C) 72

D) 320

9 / 25

Parallelogrammning diagonallari 10 sm va 12 sm, ular orasidagi burchagi 60° ga teng. Parallelogramm tomonlarini toping

A) √31 sm, √61 sm

B) √31 sm, √94 sm

C) √31 sm, √91 sm

D) √11 sm, √41 sm

10 / 25

Agar va bo’lsa, ni toping

A) 0,5

B) 1,2

C) 2/3

D) 1/3

11 / 25

Ifodani soddalashtiring

A) ctgɑ

B) 1/sin²ɑ

C) tgɑ

D) 2/sin²ɑ

12 / 25

Rombning katta diagonali 18 sm va bir burchagi 120°. Romb yuzini toping

A) 54√3 sm²

B) 51√5 sm²

C) 54√2 sm²

D) 54√3 sm²

13 / 25

Tomonlari 3 va 5 bo‘lgan parallelogrammning bir diagonali 4 ga teng. Uning ikkinchi diagonalini toping

A) √13

B) 2√3

C) 2√13

D) √3

14 / 25

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

A) 50√3 sm²

B) 49√2 sm²

C) 64√2 sm²

D) 49√3 sm²

15 / 25

Ikkita gomotetik ko’pburchak uchun to’g’ri tasdiqni ko’rsating

A) To’g’ri javob yo’q

B) Ular teng

C) Ular tengdosh

D) Ular o’xshash

16 / 25

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

A) -3/4

B) 4/5

C) -4/5

D) 3/4

17 / 25

Funksiyaning aniqlanish sohasini toping

A) x≤1

B) x≥ 1

C) (-∞;+∞ )

D) x≠1

18 / 25

Hisoblang

A) √2

B) √7

C) √589

D) √23

19 / 25

Tenglamaning musbat ildizini toping

A) 45

B) 32

C) 9

D) 64

20 / 25

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

A) 45°

B) 30°

C) 90°

D) 60°

21 / 25

Ifodani soddalashtiring:
(13x²-8xy-y² )+( -11x² -9xy+y²)

A) 17xy

B) 2x² -17xy

C) 2x²

D) x² -xy

22 / 25

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

A) 5

B) -5

C) 0,5

D) -4

23 / 25

Agar (-1;2) nuqta y = kx² +3x – 4 parabolaga tegishli bo`lsa, k ning qiymatini toping

A) 9

B) 1

C) -1

D) 6

24 / 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)

25 / 25

Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ?

A) y = 2x -3

B) y = 3x² + x³ – 8

C) y = 2010x² + 41x + 9

D) y = 5x⁴ + 6x

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