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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

Ikkita o`xshash ABC va DEF uchburchaklar berilgan. Agar S_ABC = 75 m² ,
S_DEF = 675 m² va ABC uchburchakning bir tomoni 5 m bo`lsa, DEF uchburchakning unga mos tomonini toping

A) 10 m

B) 15 m

C) 25 m

D) 45 m

2 / 25

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

A) 135°; 45°; 135°; 45°

B) 110°; 70°; 110°; 70°

C) 140°; 40°; 140°; 40°

D) 115° ; 75° ; 115° ; 75°

3 / 25

x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi

A) (x - 29)(x - 31) > 0

B) (x-30)(x-34) < 0

C) (x-7)(x-2010) > 0

D) (x +1)(x + 42) < 0

4 / 25

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

A) (-∞;-13) U (6; ∞)

B) (-∞;6) U (13; ∞)

C) (-13; -6)

D) (6;13)

5 / 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)

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) 48 sm

B) 31,5 sm

C) 42 sm

D) 40,5 sm

7 / 25

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

A) (-∞;1) U (6; ∞)

B) (2; 3)

C) (-4; 6)

D) to'g'ri javob yo`q

8 / 25

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

A) -4

B) -12

C) 12

D) 23

9 / 25

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

A) (-∞; 1,5)

B) (1,5; ∞)

C) (-∞; -1,5)

D) (-1,5; ∞)

10 / 25

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

A) 13

B) 15

C) 12

D) 18

11 / 25

Hisoblang:

A) 1/2

B) 2

C) 3/2

D) 1

12 / 25

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

A) 10

B) 13

C) 15

D) 18

13 / 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

14 / 25

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

A) 2

B) 2√3 /3

C) 3

D) 2-√3

15 / 25

Ifodani soddalashtiring:

A) 2

B) 4√2

C) 1

D) √3

16 / 25

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

A) (3;-4)

B) (-3;-4)

C) (3;4)

D) (-3;4)

17 / 25

Proporsiyaning noma’lum hadini toping

A) 14/11

B) 2

C) 1

D) 7/11

18 / 25

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

A) tga

B) cosa

C) sina

D) ctga

19 / 25

Funksiyaning aniqlanish sohasini toping: y=4x²+5

A) (-∞,+∞)

B) (1;2)

C) (0;5/4)

D) (5/4;+∞)

20 / 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) (24+8√3) sm²

C) 1

D) 8√3 sm²

21 / 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

22 / 25

Ifodaning qiymatini toping:

A) √3/2

B) √3/3

C) 1/2

D) √2/2

23 / 25

Ifodaning qiymatini toping sin300^°

A) 1/2

B) -1/2

C) 2/√3

D) 0

24 / 25

Burchakning radian o’lchovini toping: 300^°

A) π/4

B) 5π/3

C) 2π/3

D) π/3

25 / 25

Burchakning gradus o’lchovini toping: 3π/4

A) 35°

B) 135°

C) 140°

D) 150°

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