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9-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

149 Ko'rishlar 3 izohlar

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OMAD YOR BO'LSIN!

9-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

1 va 11 sonlari orasida 99 ta shunday sonni joylashtiringki, ular bu sonlar bilan birgalikda arifmetik progressiya tashkil qilsin. Bu progressiya uchun $S_{50}$ ni toping?

A) 345/2

B) 300

C) 178/3

D) 495/2

2 / 25

1002, 999, 996, progressiyaning nechanchi nomerli hadidan boshlab uning hadlari manfiy sonlar bo'ladi?

A) 336

B) 334

C) 335

D) 337

3 / 25

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

A) 55

B) 74

C) 39

D) 63

4 / 25

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

A) 8 sm

B) 10 sm

C) 2 sm

D) 4 sm

5 / 25

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

A) 42 sm

B) 40 sm

C) 30 sm

D) 38 sm

6 / 25

Funksiyaning aniqlanish sohasini toping: y=4x²+5

A) (5/4;+∞)

B) (1;2)

C) (0;5/4)

D) (-∞,+∞)

7 / 25

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

A) 45°

B) 30°

C) 90°

D) 60°

8 / 25

Hisoblang

A) 2

B) 6

C) 7

D) -2

9 / 25

tg60^° ni toping

A) √2/2

B) √2

C) 1

D) √3

10 / 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

11 / 25

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

A) Kesishish nuqtasida 2:1 nisbatda bo’linadi

B) Bir nuqtada kesishadi

C) Bir – biriga teng

D) Har biri uchburchakni ikkita tengdosh qismga ajratadi

12 / 25

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

A) (3;-4)

B) (-3;4)

C) (-3;-4)

D) (3;4)

13 / 25

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

A) 122

B) 48

C) 189

D) 45

14 / 25

Hisoblang:

A) 24

B) 3,4

C) 5,76

D) 2,4

15 / 25

Bo`yi 160 sm bo`lgan o`quvchi soyasining uzunligi 128 sm bo`lsa, bo`yi 210 sm bo`lgan basketbolchining soyasining uzunligini toping

A) 168 sm

B) 148 sm

C) 178 sm

D) 158 sm

16 / 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) 45 m

B) 15 m

C) 25 m

D) 10 m

17 / 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) 9

B) 16

C) 4

D) 12

18 / 25

x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi

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

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

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

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

19 / 25

Parabola uchining koordinatalarini toping:
y =(x-3)²+2

A) (-3; - 2)

B) (3; -2)

C) (-3; 2)

D) (3; 2)

20 / 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) 0,6 ga

B) 2,4 ga

C) 2 ga

D) 3 ga

21 / 25

Funksiyaning aniqlanish sohasini toping: