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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

Amallarni bajaring:

A) 61

B) 69

C) 60

D) 213

2 / 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

3 / 25

Agar va 90^°° bo’lsa, sina ni toping

A) 5/12

B) 12/13

C) 5/13

D) 14/13

4 / 25

Hisoblang

A) √7

B) √23

C) √589

D) √2

5 / 25

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

A) -3/4

B) -4/5

C) 4/5

D) 3/4

6 / 25

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

A) x² -xy

B) 2x² -17xy

C) 17xy

D) 2x²

7 / 25

Hisoblang

A) 53

B) 45

C) 8

D) 2

8 / 25

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

A) 70 sm²

B) 68 sm²

C) 63 sm²

D) 78 sm²

9 / 25

Tomonlari 6 sm va 7 sm bo‘lgan to‘g‘ri to‘rtburchakka tashqi chizilgan doira yuzini toping

A) 21,2π sm²

B) 21,25π sm²

C) 21π sm²

D) 1,25π sm²

10 / 25

Arifmetik progressiyada $a_{1}$ =1, a₁₀₁ =301 bo’lsa, d ni toping?

A) 3

B) 4

C) 3,5

D) 2

11 / 25

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

A) 100

B) 39

C) 74

D) 55

12 / 25

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

A) 2√3 /3

B) 3

C) 2

D) 2-√3

13 / 25

Arifmetik progressiya $a_{12}-a_{15}$ =20 bo'lsa, $S_{26}$ ni toping?

A) 337

B) 260

C) 336

D) 335

14 / 25

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

A) 336

B) 337

C) 728

D) 335

15 / 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) 495/2

C) 300

D) 178/3

16 / 25

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

A) 63 sm²

B) 61 sm²

C) 73 sm²

D) 56 sm²

17 / 25

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

A) 64√2 sm²

B) 49√3 sm²

C) 50√3 sm²

D) 49√2 sm²

18 / 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) 158 sm

B) 148 sm

C) 178 sm

D) 168 sm

19 / 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

20 / 25

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

A) 7

B) 9

C) 4

D) 16

21 / 25

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

A) (-13; -6)

B) (6;13)

C) (-∞;-13) U (6; ∞)

D) (-∞;6) U (13; ∞)

22 / 25

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

A) to'g'ri javob yo`q

B) (2; 3)

C) (-4; 6)

D) (-∞;1) U (6; ∞)

23 / 25

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

A) x₁= -2, x₂= -3

B) x₁= -1, x₂= - 6

C) x₁=1, x₂=6

D) x₁=2, x₂ =3

24 / 25

Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ?

A) y = 5x⁴ + 6x

B) y = 3x² + x³ – 8

C) y = 2x -3

D) y = 2010x² + 41x + 9

25 / 25

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

A) 1

B) -1

C) 9

D) 6

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