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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

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) 8√3 sm²

B) (2+8√3) sm²

C) (24+8√3) sm²

D) 1

2 / 25

Ifodani soddalashtiring

A) 1/sinɑ

B) 1/cosɑ

C) 1

D) -1

3 / 25

Funksiyalarning qaysi biri juft funksiya

A) 1,4

B) 1,2

C) 3,4

D) 2,3

4 / 25

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

A) √3

B) 2√13

C) 2√3

D) √13

5 / 25

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

A) √11 sm, √41 sm

B) √31 sm, √91 sm

C) √31 sm, √61 sm

D) √31 sm, √94 sm

6 / 25

Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ?

A) y = 5x⁴ + 6x

B) y = 3x² + x³ – 8

C) y = 2010x² + 41x + 9

D) y = 2x -3

7 / 25

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

A) (-4; 6)

B) (2; 3)

C) (-∞;1) U (6; ∞)

D) to'g'ri javob yo`q

8 / 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)

9 / 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) 31,5 sm

B) 40,5 sm

C) 48 sm

D) 42 sm

10 / 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) 16

B) 12

C) 9

D) 4

11 / 25

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

A) 110°; 70°; 110°; 70°

B) 115° ; 75° ; 115° ; 75°

C) 140°; 40°; 140°; 40°

D) 135°; 45°; 135°; 45°

12 / 25

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

A) (-∞; -9) U (-4; ∞)

B) (-∞;4) U (9; ∞)

C) (-9; -4)

D) (4; 9)

13 / 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)

14 / 25

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

A) 9

B) 1

C) 6

D) -1

15 / 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) 2 sm

D) 4 sm

16 / 25

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

A) 2

B) 2√3 /3

C) 2-√3

D) 3

17 / 25

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

A) 78 sm²

B) 63 sm²

C) 70 sm²

D) 68 sm²

18 / 25

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

A) 110

B) 200

C) 100

D) 90

19 / 25

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

A) sina

B) cosa

C) ctga

D) tga

20 / 25

Ifodaning qiymatini toping:
(-8)²-(-5)³-(12) ²

A) 189

B) 122

C) 48

D) 45

21 / 25

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

A) 45°

B) 90°

C) 60°

D) 30°

22 / 25

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

A) 0,5

B) 5

C) -5

D) -4

23 / 25

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

A) (3;-4)

B) (-3;4)

C) (-3;-4)

D) (3;4)

24 / 25

Tenglamaning musbat ildizini toping

A) 64

B) 45

C) 9

D) 32

25 / 25

Hisoblang

A) 6

B) 2

C) -2

D) 7

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