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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

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

A) (-∞; 1/3 ) U ( 2; ∞)

B) (-1/3 ; 2)

C) (-∞; -1/3 ) U ( 2; ∞)

D) (1/3 ; 2)

2 / 25

y = 4x² +12x +9 funksiyaning o`sish oralig`ini toping

A) (-∞; -1,5)

B) (-1,5; ∞)

C) (-∞; 1,5)

D) (1,5; ∞)

3 / 25

Teng yonli trapetsiyaning ikkita burchagi ayirmasi 40⁰ ga teng. uning burchaklarini toping

A) 140°; 40°; 140°; 40°

B) 135°; 45°; 135°; 45°

C) 110°; 70°; 110°; 70°

D) 115° ; 75° ; 115° ; 75°

4 / 25

Tengsizlikni yeching: (x + 4)(x + 9) >0

A) (-∞;4) U (9; ∞)

B) (4; 9)

C) (-9; -4)

D) (-∞; -9) U (-4; ∞)

5 / 25

Tengsizlikni yeching: (x – 6)(x – 13) <0

A) (6;13)

B) (-∞;-13) U (6; ∞)

C) (-∞;6) U (13; ∞)

D) (-13; -6)

6 / 25

Berilgan uchburchak tomonlari 21 sm, 27 sm va 32 sm. Agar perimetri 120 sm bo`lgan uchburchak berilgan uchburchakka o`xshash bo`lsa, uning eng katta tomonini toping

A) 40,5 sm

B) 42 sm

C) 48 sm

D) 31,5 sm

7 / 25

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

A) 73 sm²

B) 63 sm²

C) 61 sm²

D) 56 sm²

8 / 25

Ifodani soddalashtiring

A) 1/cosɑ

B) 1/sinɑ

C) -1

D) 1

9 / 25

Funksiyaning aniqlanish sohasini toping:

A) x≠1

B) x≤1

C) (-∞;∞ )

D) x≥1

10 / 25

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

A) 2√27

B) 72

C) 320

D) 340

11 / 25

Ifodaning qiymatini toping: tg300^°

A) -√3

B) √3

C) 0

D) √3/3

12 / 25

Ifodaning qiymatini toping sin300^°

A) -1/2

B) 1/2

C) 2/√3

D) 0

13 / 25

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

A) √31 sm, √91 sm

B) √11 sm, √41 sm

C) √31 sm, √61 sm

D) √31 sm, √94 sm

14 / 25

Tenglamani yeching: cos(x-π )=0

A) 2πk

B) πk

C) 3π/2

D) 3π/2+2πk

15 / 25

Hisoblang

A) -1

B) 2/1

C) 55/88

D) 1

16 / 25

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

A) tga

B) ctga

C) sina

D) cosa

17 / 25

Funksiyaning aniqlanish sohasini toping: y=4x²+5

A) (5/4;+∞)

B) (-∞,+∞)

C) (0;5/4)

D) (1;2)

18 / 25

Hisoblang

A) 6

B) 2

C) -2

D) 7

19 / 25

Tenglamaning musbat ildizini toping

A) 9

B) 45

C) 32

D) 64

20 / 25

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

A) 10 sm

B) 8 sm

C) 4 sm

D) 2 sm

21 / 25

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

A) 90

B) 110

C) 100

D) 200

22 / 25

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

A) 3

B) 2√3 /3

C) 2

D) 2-√3

23 / 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?