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9-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

557 Ko'rishlar 3 izohlar

SaqlashSaqlanganOlib tashlandi -1

OMAD YOR BO'LSIN!

9-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 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

2 / 25

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

A) (-9; -4)

B) (4; 9)

C) (-∞;4) U (9; ∞)

D) (-∞; -9) U (-4; ∞)

3 / 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) 12

B) 16

C) 4

D) 9

4 / 25

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

A) x₁= -2, x₂= -3

B) x₁=2, x₂ =3

C) x₁= -1, x₂= - 6

D) x₁=1, x₂=6

5 / 25

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

A) (1/3 ; 2)

B) (-∞; -1/3 ) U ( 2; ∞)

C) (-∞; 1/3 ) U ( 2; ∞)

D) (-1/3 ; 2)

6 / 25

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

A) I, III, IV

B) I, II

C) I, II, III, IV

D) III, IV

7 / 25

tg60^° ni toping

A) √3

B) 1

C) √2

D) √2/2

8 / 25

Amallarni bajaring:

A) 61

B) 60

C) 69

D) 213

9 / 25

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

A) 60°

B) 90°

C) 30°

D) 45°

10 / 25

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

A) (3;-4)

B) (-3;-4)

C) (3;4)

D) (-3;4)

11 / 25

sin60^° nimaga teng

A) √2/2

B) 1/2

C) 1

D) √3/2

12 / 25

Funksiyaning aniqlanish sohasini toping

A) (-∞;+∞ )

B) x≠1

C) x≤1

D) x≥ 1

13 / 25

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

A) cosa

B) sina

C) tga

D) ctga

14 / 25

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

A) 2√27

B) 72

C) 340

D) 320

15 / 25

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

A) 64√2 sm²

B) 50√3 sm²

C) 49√2 sm²

D) 49√3 sm²

16 / 25

Tomonlari 3 va 5 bo‘lgan parallelogrammning bir diagonali 4 ga teng. Uning ikkinchi diagonalini toping

A) 2√3

B) 2√13

C) √3

D) √13

17 / 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

18 / 25

Agar va bo’lsa, ni toping

A) 1,2

B) 0,5

C) 1/3

D) 2/3

19 / 25

Hisoblang:

A) 3/2

B) 1

C) 2

D) 1/2

20 / 25

701 soni 1, 8, 15, 22, progressiyaning nechanchi nomerli hadi?

A) 102

B) 101

C) 99

D) 100

21 / 25

Arifmetik progressiyada $a_{1}$ = $-20.7$ d=1,8 bo'lsa, qaysi nomerli haddan boshlab progressiyaning barcha hadlari musbat bo'ladi?

A) 12

B) 15

C) 13

D) 18

22 / 25

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

A) 260

B) 336

C) 337

D) 335

23 / 25

Ifodani soddalashtiring:

A) tgɑ*cosβ

B) tgɑ*tgβ

C) ctgɑ*tgβ

D) sinɑ*tgβ

24 / 25

Arifmetik progressiyada $a_{1}$ =3, d=-2. S $_{101}$ ni toping?

A) -9797

B) -9798

C) 7979

D) 2009

25 / 25

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

A) 2

B) 4

C) 3

D) 3,5

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