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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

y = -2x² +6 funksiyaning grafigi qaysi koordinata choraklarida joylashgan ?

A) I, II

B) I, II, III, IV

C) I, III, IV

D) III, IV

2 / 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) 40,5 sm

D) 42 sm

3 / 25

Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ?

A) y = 3x² + x³ – 8

B) y = 5x⁴ + 6x

C) y = 2010x² + 41x + 9

D) y = 2x -3

4 / 25

Funksiyaning eng kichik qiymatini toping:
y = x² + 4x + 5

A) 9

B) 5

C) 1

D) 3

5 / 25

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

A) (-∞;1) U (6; ∞)

B) to'g'ri javob yo`q

C) (-4; 6)

D) (2; 3)

6 / 25

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

A) x₁= -1, x₂= - 6

B) x₁=1, x₂=6

C) x₁= -2, x₂= -3

D) x₁=2, x₂ =3

7 / 25

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

A) 90°

B) 30°

C) 60°

D) 45°

8 / 25

Hisoblang

A) √23

B) √589

C) √7

D) √2

9 / 25

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

A) 2x²

B) x² -xy

C) 2x² -17xy

D) 17xy

10 / 25

sin60^° nimaga teng

A) √3/2

B) 1

C) 1/2

D) √2/2

11 / 25

tg60^° ni toping

A) √2/2

B) √2

C) 1

D) √3

12 / 25

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

A) 3/4

B) -3/4

C) 4/5

D) -4/5

13 / 25

Poyezd har 30 m yo‘l yurganda 1 m tepaga ko‘tariladi. Temir yo‘lning gorizontga nisbatan ko‘tarilish burchagini toping

A) 2°

B) 22°

C) 30°

D) 60°

14 / 25

Burchakning gradus o’lchovini toping: 3π/4

A) 140°

B) 35°

C) 135°

D) 150°

15 / 25

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

A) 2√13

B) √3

C) 2√3

D) √13

16 / 25

Ifodani soddalashtiring

A) 2/sin²ɑ

B) tgɑ

C) 1/sin²ɑ

D) ctgɑ

17 / 25

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

A) 2

B) 4

C) 8

D) 3

18 / 25

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

A) 50√3 sm²

B) 64√2 sm²

C) 49√2 sm²

D) 49√3 sm²

19 / 25

Arifmetik progressiya $a_{12}-a_{15}$ =20 bo'lsa, $S_{26}$ ni toping?

A) 337

B) 335

C) 260

D) 336

20 / 25

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

A) 1250

B) 2

C) 100

D) -2

21 / 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) 78 sm²

D) 70 sm²

22 / 25

Arifmetik progressiyada $a_{2}-a_{6}$ =44, $a_{5}-a_{1}$ =20 bo'lsa $a_{100}$ ni toping?

A) 334

B) 502

C) 335

D) 495

23 / 25

1002, 999, 996, progressiyaning nechanchi nomerli hadidan boshlab uning hadlari manfiy sonlar bo'ladi?

A) 334

B) 335

C) 337

D) 336

24 / 25

Ifodani soddalashtiring:

A) √1/cosɑ

B) -1/cosɑ

C) 2/sinɑ

D) 1/ctgɑ

25 / 25

8 ga bo’lganda 7 qoldiq beradign ketma-ketlikning 5-hadini belgilang?

A) 39

B) 74

C) 55

D) 63

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