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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

Uchburchak medianalari uchun noto’g’ri tasdiqni ko’rsating

A) Bir nuqtada kesishadi

B) Har biri uchburchakni ikkita tengdosh qismga ajratadi

C) Bir – biriga teng

D) Kesishish nuqtasida 2:1 nisbatda bo’linadi

2 / 25

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

A) -5

B) 0,5

C) -4

D) 5

3 / 25

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

A) Ular o’xshash

B) Ular tengdosh

C) To’g’ri javob yo’q

D) Ular teng

4 / 25

Agar va 90^°° bo’lsa, sina ni toping

A) 5/12

B) 14/13

C) 12/13

D) 5/13

5 / 25

Tenglamaning musbat ildizini toping

A) 45

B) 9

C) 32

D) 64

6 / 25

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

A) (-13; -6)

B) (6;13)

C) (-∞;6) U (13; ∞)

D) (-∞;-13) U (6; ∞)

7 / 25

Parabola uchining koordinatalarini toping:
y =(x-3)²+2

A) (-3; 2)

B) (3; 2)

C) (3; -2)

D) (-3; - 2)

8 / 25

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

A) 1

B) 5

C) 9

D) 3

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) 48 sm

B) 31,5 sm

C) 40,5 sm

D) 42 sm

10 / 25

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

A) x₁=2, x₂ =3

B) x₁= -1, x₂= - 6

C) x₁=1, x₂=6

D) x₁= -2, x₂= -3

11 / 25

p ning nechta butun qiymatida
x² + px +4 = 0 tenglama haqiqiy ildizga ega emas

A) 9

B) 4

C) 7

D) 16

12 / 25

To`rtburchak shaklidagi paxta maydoni xaritada yuzi 12 sm² bo`lgan to`rtburchak bilan tasvirlanadi. Agar xarita masshtabi
1: 5000 bo`lsa, maydonning haqiqiy yuzini toping

A) 0,6 ga

B) 3 ga

C) 2,4 ga

D) 2 ga

13 / 25

Ifodani soddalashtiring:

A) 2

B) 4√2

C) 1

D) √3

14 / 25

Arifmetik progressiyada $a_{1}$ =1, a₁₀₁ =301 bo’lsa, d ni toping?

A) 3

B) 2

C) 3,5

D) 4

15 / 25

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

A) 101

B) 99

C) 100

D) 102

16 / 25

Ifodani soddalashtiring:

A) 1/ctgɑ

B) √1/cosɑ

C) -1/cosɑ

D) 2/sinɑ

17 / 25

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

A) 63 sm²

B) 68 sm²

C) 70 sm²

D) 78 sm²

18 / 25

Arifmetik progressiyada $a_{1}$ =3, d=-2. S $_{101}$ ni toping?

A) 2009

B) -9797

C) -9798

D) 7979

19 / 25

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

A) 1250

B) -2

C) 2

D) 100

20 / 25

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

A) 2

B) 4

C) 3

D) 8

21 / 25

Burchakning gradus o’lchovini toping: 3π/4

A) 135°

B) 35°

C) 150°

D) 140°

22 / 25

Burchakning radian o’lchovini toping: 300^°

A) π/3

B) π/4

C) 5π/3

D) 2π/3

23 / 25

Funksiyaning aniqlanish sohasini toping:

A) x≤1

B) x≠1

C) x≥1

D) (-∞;∞ )

24 / 25

Ifodani soddalashtiring

A) 2/sin²ɑ

B) 1/sin²ɑ

C) ctgɑ

D) tgɑ

25 / 25

Ifodaning qiymatini toping: tg300^°

A) √3/3

B) √3

C) -√3

D) 0

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