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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

Funksiyalarning qaysi biri juft funksiya

A) 1,4

B) 3,4

C) 1,2

D) 2,3

2 / 25

Tenglamani yeching: sin(π -x)=1

A) 2πk

B) π/2+2πk

C) π/2-2πk

D) π/2

3 / 25

Ifodaning qiymatini toping sin300^°

A) 1/2

B) -1/2

C) 2/√3

D) 0

4 / 25

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

A) 340

B) 2√27

C) 320

D) 72

5 / 25

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

A) 3

B) 2

C) 4

D) 8

6 / 25

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

A) 45

B) 189

C) 48

D) 122

7 / 25

Tenglamaning musbat ildizini toping

A) 64

B) 45

C) 9

D) 32

8 / 25

Funksiyaning aniqlanish sohasini toping: y=4x²+5

A) (0;5/4)

B) (1;2)

C) (-∞,+∞)

D) (5/4;+∞)

9 / 25

Hisoblang:

A) 3,4

B) 5,76

C) 2,4

D) 24

10 / 25

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

A) 5

B) -5

C) -4

D) 0,5

11 / 25

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

A) (3;4)

B) (-3;4)

C) (-3;-4)

D) (3;-4)

12 / 25

Funksiyaning aniqlanish sohasini toping

A) x≤1

B) x≠1

C) x≥ 1

D) (-∞;+∞ )

13 / 25

sin60^° nimaga teng

A) 1/2

B) √3/2

C) √2/2

D) 1

14 / 25

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

A) 70 sm²

B) 78 sm²

C) 63 sm²

D) 68 sm²

15 / 25

Ifodani soddalashtiring:

A) -1/cosɑ

B) 2/sinɑ

C) √1/cosɑ

D) 1/ctgɑ

16 / 25

Hisoblang:

A) 1

B) 3/2

C) 2

D) 1/2

17 / 25

Ifodani soddalashtiring:

A) tgɑ*tgβ

B) tgɑ*cosβ

C) ctgɑ*tgβ

D) sinɑ*tgβ

18 / 25

Asoslari 6 sm va 3 sm bo‘lgan to‘g‘ri burchakli trapetsiyaga ichki chizilgan aylana radiusini toping

A) 10 sm

B) 2 sm

C) 8 sm

D) 4 sm

19 / 25

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

A) x₁=2, x₂ =3

B) x₁= -1, x₂= - 6

C) x₁= -2, x₂= -3

D) x₁=1, x₂=6

20 / 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) 42 sm

B) 31,5 sm

C) 40,5 sm

D) 48 sm

21 / 25

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

A) (-∞; -1,5)

B) (1,5; ∞)

C) (-∞; 1,5)

D) (-1,5; ∞)

22 / 25

Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ?

A) y = 3x² + x³ – 8

B) y = 2x -3

C) y = 2010x² + 41x + 9

D) y = 5x⁴ + 6x

23 / 25

Parabolaning koordinata o`qlari bilan kesishish nuqtalarining koordinatalarini toping: y = -2x² – 8x +10

A) (1;0), (-5;0), (0;10)

B) (2;0), (-8;0), (0;-6)

C) (-1;0), (5;0), (0;-10)

D) (-2;0), (8;0), (0;6)

24 / 25

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

A) 9

B) 16

C) 4

D) 7

25 / 25

4x² + 4x +1 ≤0 tengsizlikni yeching

A) (-∞; -1/2)

B) x = - 1/2

C) (-∞; -1)U(4;∞)

D) (- ∞; ∞)

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