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9-sinf Matematika 2-chorak

InfoMaster

Aprel 15, 2021

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9-sinf Matematika 2-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

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

A) Ular tengdosh

B) Ular teng

C) Ular o’xshash

D) To’g’ri javob yo’q

2 / 25

Sonlarni o’sish tartibida joylashtiring

A) c>a>b

B) c<a<b

C) b<a<c

D) a<b<c

3 / 25

Agar va 90^°° bo’lsa, sina ni toping

A) 14/13

B) 5/13

C) 12/13

D) 5/12

4 / 25

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

A) -4

B) -5

C) 5

D) 0,5

5 / 25

sin60^° nimaga teng

A) 1

B) 1/2

C) √3/2

D) √2/2

6 / 25

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

A) (3;4)

B) (-3;-4)

C) (3;-4)

D) (-3;4)

7 / 25

Hisoblang

A) 45

B) 8

C) 53

D) 2

8 / 25

Hisoblang

A) -2

B) 2

C) 6

D) 7

9 / 25

Hisoblang:

A) 24

B) 2,4

C) 5,76

D) 3,4

10 / 25

Amallarni bajaring:

A) 213

B) 61

C) 60

D) 69

11 / 25

tg60^° ni toping

A) √2/2

B) √3

C) √2

D) 1

12 / 25

Tenglamaning musbat ildizini toping

A) 64

B) 9

C) 32

D) 45

13 / 25

Hisoblang

A) 1

B) -1

C) 2/1

D) 55/88

14 / 25

Funksiyaning aniqlanish sohasini toping: y=4x²+5

A) (5/4;+∞)

B) (1;2)

C) (-∞,+∞)

D) (0;5/4)

15 / 25

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

A) (-4; 6)

B) (2; 3)

C) to'g'ri javob yo`q

D) (-∞;1) U (6; ∞)

16 / 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

17 / 25

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

A) 9

B) 5

C) 1

D) 3

18 / 25

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

A) x₁= -2, x₂= -3

B) x₁=2, x₂ =3

C) x₁=1, x₂=6

D) x₁= -1, x₂= - 6

19 / 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) 10 m

C) 45 m

D) 25 m

20 / 25

4x² + 4x +1 ≤0 tengsizlikni yeching

A) (- ∞; ∞)

B) x = - 1/2

C) (-∞; -1)U(4;∞)

D) (-∞; -1/2)

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

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

A) 12

B) 23

C) -12

D) -4

23 / 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) 3 ga

B) 0,6 ga

C) 2,4 ga

D) 2 ga

24 / 25

Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ?

A) y = 2010x² + 41x + 9

B) y = 3x² + x³ – 8

C) y = 2x -3

D) y = 5x⁴ + 6x

25 / 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) 31,5 sm

B) 42 sm

C) 40,5 sm

D) 48 sm