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9-sinf Matematika 3-chorak

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Aprel 20, 2021

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9-sinf Matematika 3-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

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

A) 12/5

B) 5/12

C) 1

D) 5/13

2 / 25

Rombning katta diagonali 18 sm va bir burchagi 120°. Romb yuzini toping

A) 51√5 sm²

B) 54√3 sm²

C) 54√3 sm²

D) 54√2 sm²

3 / 25

Ko’paytmaning qaysi biri manfiy?

A) sin100° * cos300°

B) tg190° * cos400°

C) cos320° * ctg17°

D) sin190° * tg200°

4 / 25

Tomoni 7√2 sm va o‘tmas burchagi 135° bo‘lgan romb yuzini toping

A) 49√3 sm²

B) 49√2 sm²

C) 64√2 sm²

D) 50√3 sm²

5 / 25

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

A) 2

B) 0

C) -1

D) 1

6 / 25

Funksiyaning aniqlanish sohasini toping:

A) x≤1

B) x≥1

C) (-∞;∞ )

D) x≠1

7 / 25

Sonlarni taqqoslang

A) a = b + 0,5

B) b=a+0,8

C) b<a

D) b=a

8 / 25

Agar 90^°° bo’lsa, quyidagilardan qaysi biri musbat

A) sina

B) ctga

C) cosa

D) tga

9 / 25

Proporsiyaning noma’lum hadini toping

A) 2

B) 1

C) 14/11

D) 7/11

10 / 25

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

A) Har biri uchburchakni ikkita tengdosh qismga ajratadi

B) Bir – biriga teng

C) Bir nuqtada kesishadi

D) Kesishish nuqtasida 2:1 nisbatda bo’linadi

11 / 25

sina=1/2 bo’lgan o’tkir burchakni ko’rsating

A) 90°

B) 45°

C) 30°

D) 60°

12 / 25

Ifodani soddalashtiring:
(13x²-8xy-y² )+( -11x² -9xy+y²)

A) x² -xy

B) 17xy

C) 2x²

D) 2x² -17xy

13 / 25

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

A) (-3;-4)

B) (3;4)

C) (-3;4)

D) (3;-4)

14 / 25

Funksiyaning aniqlanish sohasini toping: y=4x²+5

A) (5/4;+∞)

B) (1;2)

C) (0;5/4)

D) (-∞,+∞)

15 / 25

Hisoblang

A) √589

B) √7

C) √23

D) √2

16 / 25

Hisoblang:

A) 2,4

B) 24

C) 3,4

D) 5,76

17 / 25

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

A) Ular tengdosh

B) Ular teng

C) To’g’ri javob yo’q

D) Ular o’xshash

18 / 25

x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi

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

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

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

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

19 / 25

Quyidagi tengsizliklardan qaysi biri kvadrat tengsizlik ekanini toping

A) 4x -5 > 0

B) x⁴-4< 0

C) 41x² – 9x + 1 < 0

D) 2x³ + 3x²-4x +7 > 0

20 / 25

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

A) 6

B) -1

C) 9

D) 1

21 / 25

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

A) (6;13)

B) (-13; -6)

C) (-∞;-13) U (6; ∞)

D) (-∞;6) U (13; ∞)

22 / 25

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

A) (1,5; ∞)

B) (-∞; 1,5)

C) (-∞; -1,5)

D) (-1,5; ∞)

23 / 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

24 / 25

4x² + 4x +1 ≤0 tengsizlikni yeching

A) (-∞; -1/2)

B) (- ∞; ∞)

C) (-∞; -1)U(4;∞)

D) x = - 1/2

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) 40,5 sm

B) 42 sm

C) 31,5 sm

D) 48 sm