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9-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

208 Ko'rishlar 3 izohlar

SaqlashSaqlanganOlib tashlandi -1

OMAD YOR BO'LSIN!

9-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

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

A) (1,5; ∞)

B) (-∞; 1,5)

C) (-∞; -1,5)

D) (-1,5; ∞)

2 / 25

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

A) I, II, III, IV

B) III, IV

C) I, III, IV

D) I, II

3 / 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) 3 ga

C) 2,4 ga

D) 2 ga

4 / 25

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

A) x₁= -1, x₂= - 6

B) x₁=2, x₂ =3

C) x₁=1, x₂=6

D) x₁= -2, x₂= -3

5 / 25

Tengsizlikni yeching: (x + 4)(x + 9) >0

A) (4; 9)

B) (-∞;4) U (9; ∞)

C) (-∞; -9) U (-4; ∞)

D) (-9; -4)

6 / 25

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

A) 1

B) 3

C) 9

D) 5

7 / 25

Kvadrat tengsizlikni yeching:
3x² – 5x -2 > 0

A) (1/3 ; 2)

B) (-1/3 ; 2)

C) (-∞; 1/3 ) U ( 2; ∞)

D) (-∞; -1/3 ) U ( 2; ∞)

8 / 25

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

A) 4/5

B) -4/5

C) -3/4

D) 3/4

9 / 25

Hisoblang

A) 9

B) -2

C) 2

D) 3

10 / 25

Tenglamaning musbat ildizini toping

A) 32

B) 45

C) 9

D) 64

11 / 25

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

A) ctga

B) tga

C) cosa

D) sina

12 / 25

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

A) Har biri uchburchakni ikkita tengdosh qismga ajratadi

B) Bir nuqtada kesishadi

C) Kesishish nuqtasida 2:1 nisbatda bo’linadi

D) Bir – biriga teng

13 / 25

Sonlarni taqqoslang

A) b=a

B) b<a

C) a = b + 0,5

D) b=a+0,8

14 / 25

Hisoblang

A) 2/1

B) 1

C) -1

D) 55/88

15 / 25

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

A) 2√3 /3

B) 2

C) 2-√3

D) 3

16 / 25

7 ga karrali dastlabki nechta natural sonni qo'shganda 385 hosil bo'ladi?

A) 18

B) 15

C) 10

D) 13

17 / 25

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

A) 70 sm²

B) 78 sm²

C) 63 sm²

D) 68 sm²

18 / 25

Geometrik progressiyada $S_{1}$ =10, $S_{5}$ =310 bo'lsa, q ni toping?

A) 17

B) 12

C) 4

D) 2

19 / 25

Arifmetik progressiyada $a_{2}-a_{6}$ =44, $a_{5}-a_{1}$ =20 bo'lsa $a_{100}$ ni toping?

A) 334

B) 495

C) 502

D) 335

20 / 25

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

A) 100

B) 74

C) 39

D) 55

21 / 25

Funksiyaning aniqlanish sohasini toping:

A) x≥1

B) x≠1

C) x≤1

D) (-∞;∞ )

22 / 25

Burchakning gradus o’lchovini toping: 3π/4

A) 140°

B) 135°

C) 35°

D) 150°

23 / 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) 1

B) (2+8√3) sm²

C) (24+8√3) sm²

D) 8√3 sm²

24 / 25

Ifodaning qiymatini toping:

A) √3/2

B) √2/2

C) √3/3

D) 1/2

25 / 25

To’g’ri burchakli uchburchakning gipotenuzasi 18 sm va bir kateti 4 sm bo’lsa, uning ikkinchi katetini toping

A) 340

B) 72

C) 2√27

D) 320

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