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9-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

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9-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

Hisoblang

A) 2

B) 53

C) 45

D) 8

2 / 25

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

A) 30°

B) 90°

C) 45°

D) 60°

3 / 25

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

A) Ular o’xshash

B) Ular tengdosh

C) Ular teng

D) To’g’ri javob yo’q

4 / 25

Agar sina=3/5 va 90^°° bo’lsa, сosa ni toping

A) 3/4

B) 4/5

C) -4/5

D) -3/4

5 / 25

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

A) (3;-4)

B) (-3;4)

C) (-3;-4)

D) (3;4)

6 / 25

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

A) 2x² -17xy

B) x² -xy

C) 2x²

D) 17xy

7 / 25

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

A) 5

B) -5

C) 0,5

D) -4

8 / 25

Ifodaning qiymatini toping sin300^°

A) 2/√3

B) -1/2

C) 0

D) 1/2

9 / 25

Parallelogrammning diagonallari 10 sm va 12 sm, ular orasidagi burchagi 60° ga teng. Parallelogramm tomonlarini toping

A) √31 sm, √94 sm

B) √31 sm, √91 sm

C) √11 sm, √41 sm

D) √31 sm, √61 sm

10 / 25

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

A) 2

B) -1

C) 0

D) 1

11 / 25

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

A) 54√3 sm²

B) 54√2 sm²

C) 51√5 sm²

D) 54√3 sm²

12 / 25

Agar va bo’lsa, ni toping

A) 1/3

B) 2/3

C) 0,5

D) 1,2

13 / 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) (2+8√3) sm²

B) 8√3 sm²

C) 1

D) (24+8√3) sm²

14 / 25

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

A) 5/13

B) 12/5

C) 5/12

D) 1

15 / 25

y = -2x² +6 funksiyaning grafigi qaysi koordinata choraklarida joylashgan ?

A) I, II

B) III, IV

C) I, III, IV

D) I, II, III, IV

16 / 25

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

A) (-∞; -1,5)

B) (-1,5; ∞)

C) (-∞; 1,5)

D) (1,5; ∞)

17 / 25

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

A) 5

B) 9

C) 3

D) 1

18 / 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) 48 sm

C) 40,5 sm

D) 42 sm

19 / 25

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

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

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

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

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

20 / 25

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

A) (-∞;6) U (13; ∞)

B) (-∞;-13) U (6; ∞)

C) (6;13)

D) (-13; -6)

21 / 25

x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi

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

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

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

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

22 / 25

AB va CD kesmalar O nuqtada kesishadi, AO = 12m, BO = 3 sm, CO = 28 sm, DO = 7 sm bo`lsa, AOC va BOD uchburchaklar yuzlari nisbatini toping

A) 4

B) 16

C) 12

D) 9

23 / 25

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

A) 10 sm

B) 4 sm

C) 8 sm

D) 2 sm

24 / 25

Geometrik progressiyada q=√3/2, b1=c-√3 bo'lsa, S ni toping?

A) 2

B) 2√3 /3

C) 2-√3

D) 3

25 / 25

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

A) 90

B) 200

C) 100

D) 110

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9-sinf Matematika 4-chorak

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55% va kamiga 2 baho

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