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9-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

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OMAD YOR BO'LSIN!

9-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

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

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

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

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

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

2 / 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) 40,5 sm

C) 48 sm

D) 31,5 sm

3 / 25

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

A) 16

B) 7

C) 9

D) 4

4 / 25

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

A) (2; 3)

B) to'g'ri javob yo`q

C) (-4; 6)

D) (-∞;1) U (6; ∞)

5 / 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) 2 ga

B) 0,6 ga

C) 2,4 ga

D) 3 ga

6 / 25

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

A) (1,5; ∞)

B) (-∞; -1,5)

C) (-1,5; ∞)

D) (-∞; 1,5)

7 / 25

Burchakning gradus o’lchovini toping: 3π/4

A) 135°

B) 150°

C) 35°

D) 140°

8 / 25

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

A) 12/5

B) 5/12

C) 1

D) 5/13

9 / 25

Ko’paytmaning qaysi biri manfiy?

A) sin100° * cos300°

B) cos320° * ctg17°

C) sin190° * tg200°

D) tg190° * cos400°

10 / 25

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

A) 54√3 sm²

B) 54√3 sm²

C) 54√2 sm²

D) 51√5 sm²

11 / 25

Ifodaning qiymatini toping: tg300^°

A) -√3

B) √3

C) √3/3

D) 0

12 / 25

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

A) 0

B) 2

C) -1

D) 1

13 / 25

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

A) 63 sm²

B) 73 sm²

C) 56 sm²

D) 61 sm²

14 / 25

Proporsiyaning noma’lum hadini toping

A) 1

B) 2

C) 14/11

D) 7/11

15 / 25

Hisoblang:

A) 2,4

B) 3,4

C) 5,76

D) 24

16 / 25

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

A) -4/5

B) -3/4

C) 3/4

D) 4/5

17 / 25

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

A) 45°

B) 90°

C) 60°

D) 30°

18 / 25

Hisoblang

A) 2

B) 53

C) 8

D) 45

19 / 25

Funksiyaning aniqlanish sohasini toping

A) x≥ 1

B) x≠1

C) x≤1

D) (-∞;+∞ )

20 / 25

Geometrik progressiyada $b_{1}$ =2, q=3 bo'lsa, $S_{6}$ ni toping?

A) 335

B) 337

C) 336

D) 728

21 / 25

8 ga bo’lganda 7 qoldiq beradign ketma-ketlikning 5-hadini belgilang?

A) 63

B) 39

C) 74

D) 55

22 / 25

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

A) 2-√3

B) 3

C) 2

D) 2√3 /3

23 / 25

Aylananing 90° li yoyi uzunligi 15π sm. Aylana radiusini toping

A) 42 sm

B) 30 sm

C) 40 sm

D) 38 sm

24 / 25

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

A) 68 sm²

B) 63 sm²

C) 70 sm²

D) 78 sm²

25 / 25

Arifmetik progressiyada $a_{1}$ =7, d=5,
$S_{n}$ =14 023 bo'lsa, n ni toping?

A) 100

B) 55

C) 74

D) 39

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