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9-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

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SaqlashSaqlanganOlib tashlandi -1

OMAD YOR BO'LSIN!

9-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

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

A) 18

B) 15

C) 12

D) 13

2 / 25

701 soni 1, 8, 15, 22, progressiyaning nechanchi nomerli hadi?

A) 99

B) 101

C) 102

D) 100

3 / 25

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

A) 495

B) 335

C) 502

D) 334

4 / 25

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

A) 13

B) 15

C) 18

D) 10

5 / 25

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

A) 110

B) 100

C) 200

D) 90

6 / 25

Ko’paytmaning qaysi biri manfiy?

A) sin190° * tg200°

B) cos320° * ctg17°

C) tg190° * cos400°

D) sin100° * cos300°

7 / 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) 1

C) (2+8√3) sm²

D) (24+8√3) sm²

8 / 25

Funksiyalarning qaysi biri toq funksiya?

A) 1,4

B) 1,2

C) 2,3

D) 2,4

9 / 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, √94 sm

C) √31 sm, √91 sm

D) √31 sm, √61 sm

10 / 25

Tenglamani yeching: cos(x-π )=0

A) 3π/2+2πk

B) 2πk

C) 3π/2

D) πk

11 / 25

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

A) 72

B) 320

C) 2√27

D) 340

12 / 25

Hisoblang: tg1800^° - sin495^°+ cos495^°

A) 0

B) 2

C) 1

D) -1

13 / 25

Funksiyalarning qaysi biri juft funksiya

A) 1,4

B) 1,2

C) 2,3

D) 3,4

14 / 25

Ifodani soddalashtiring

A) 1/sinɑ

B) 1

C) 1/cosɑ

D) -1

15 / 25

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

A) To’g’ri javob yo’q

B) Ular tengdosh

C) Ular o’xshash

D) Ular teng

16 / 25

tg60^° ni toping

A) 1

B) √2/2

C) √2

D) √3

17 / 25

Amallarni bajaring:

A) 213

B) 60

C) 69

D) 61

18 / 25

Tenglamaning musbat ildizini toping

A) 64

B) 9

C) 45

D) 32

19 / 25

Bo`yi 160 sm bo`lgan o`quvchi soyasining uzunligi 128 sm bo`lsa, bo`yi 210 sm bo`lgan basketbolchining soyasining uzunligini toping

A) 178 sm

B) 148 sm

C) 168 sm

D) 158 sm

20 / 25

x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi

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

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

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

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

21 / 25

4x² + 4x +1 ≤0 tengsizlikni yeching

A) (- ∞; ∞)

B) x = - 1/2

C) (-∞; -1)U(4;∞)

D) (-∞; -1/2)

22 / 25

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

A) x₁=1, x₂=6

B) x₁=2, x₂ =3

C) x₁= -2, x₂= -3

D) x₁= -1, x₂= - 6

23 / 25

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

A) -1

B) 9

C) 6

D) 1

24 / 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

25 / 25

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

A) to'g'ri javob yo`q

B) (2; 3)

C) (-4; 6)

D) (-∞;1) U (6; ∞)

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