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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

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

A) 336

B) 334

C) 335

D) 337

2 / 25

Ifodani soddalashtiring:

A) 1/ctgɑ

B) -1/cosɑ

C) 2/sinɑ

D) √1/cosɑ

3 / 25

Ifodani soddalashtiring:

A) tgɑ*cosβ

B) ctgɑ*tgβ

C) sinɑ*tgβ

D) tgɑ*tgβ

4 / 25

Tomonlari 6 sm va 7 sm bo‘lgan to‘g‘ri to‘rtburchakka tashqi chizilgan doira yuzini toping

A) 21π sm²

B) 1,25π sm²

C) 21,25π sm²

D) 21,2π sm²

5 / 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

6 / 25

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

A) 2

B) 1250

C) 100

D) -2

7 / 25

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

A) Ular tengdosh

B) Ular o’xshash

C) To’g’ri javob yo’q

D) Ular teng

8 / 25

Hisoblang

A) -2

B) 2

C) 6

D) 7

9 / 25

Hisoblang

A) 8

B) 53

C) 2

D) 45

10 / 25

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

A) 48

B) 122

C) 45

D) 189

11 / 25

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

A) 30°

B) 2°

C) 22°

D) 60°

12 / 25

Burchakning radian o’lchovini toping: 300^°

A) π/4

B) π/3

C) 2π/3

D) 5π/3

13 / 25

Agar sina=12/13 bo’lsa, ctga ni toping

A) 12/5

B) 5/13

C) 1

D) 5/12

14 / 25

Ko’paytmaning qaysi biri manfiy?

A) sin190° * tg200°

B) cos320° * ctg17°

C) sin100° * cos300°

D) tg190° * cos400°

15 / 25

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

A) 340

B) 72

C) 2√27

D) 320

16 / 25

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

A) 56 sm²

B) 63 sm²

C) 73 sm²

D) 61 sm²

17 / 25

Burchakning gradus o’lchovini toping: 3π/4

A) 135°

B) 35°

C) 140°

D) 150°

18 / 25

Ifodaning qiymatini toping:

A) 1/2

B) √2/2

C) √3/2

D) √3/3

19 / 25

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

A) -1

B) 9

C) 1

D) 6

20 / 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) 15 m

B) 25 m

C) 10 m

D) 45 m

21 / 25

A(7;11), B(10; 7) bo`lsa, AB kesmaning uzunligini toping

A) 7

B) 35

C) 5

D) 147

22 / 25

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

A) to'g'ri javob yo`q

B) (2; 3)

C) (-∞;1) U (6; ∞)

D) (-4; 6)

23 / 25

y = x² +x -6 funksiya x ning qanday qiymatlarida manfiy qiymatlar qabul qiladi

A) (-∞;2) U (3; ∞)

B) (-∞;1) U (6; ∞)

C) (2; 3)

D) (-3; 2)

24 / 25

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

A) -12

B) 23

C) 12

D) -4

25 / 25

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

A) (1,5; ∞)

B) (-1,5; ∞)

C) (-∞; 1,5)

D) (-∞; -1,5)

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