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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

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

A) 73 sm²

B) 61 sm²

C) 56 sm²

D) 63 sm²

2 / 25

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

A) 2√3

B) √13

C) √3

D) 2√13

3 / 25

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

A) 1

B) 5/12

C) 5/13

D) 12/5

4 / 25

Uchburchakning ikki tomoni 2 sm va 4 sm bo’lib, ular orasidagi burchagi 30^°. Uchburchak yuzini toping

A) 8

B) 2

C) 3

D) 4

5 / 25

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

A) (-∞; -9) U (-4; ∞)

B) (4; 9)

C) (-9; -4)

D) (-∞;4) U (9; ∞)

6 / 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) 16

B) 12

C) 9

D) 4

7 / 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

8 / 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) 15 m

B) 10 m

C) 25 m

D) 45 m

9 / 25

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

A) (-13; -6)

B) (-∞;-13) U (6; ∞)

C) (6;13)

D) (-∞;6) U (13; ∞)

10 / 25

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

A) Har biri uchburchakni ikkita tengdosh qismga ajratadi

B) Bir nuqtada kesishadi

C) Bir – biriga teng

D) Kesishish nuqtasida 2:1 nisbatda bo’linadi

11 / 25

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

A) x² -xy

B) 2x²

C) 17xy

D) 2x² -17xy

12 / 25

Hisoblang

A) 6

B) 2

C) 7

D) -2

13 / 25

Tenglamaning musbat ildizini toping

A) 45

B) 32

C) 64

D) 9

14 / 25

Proporsiyaning noma’lum hadini toping

A) 1

B) 7/11

C) 2

D) 14/11

15 / 25

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

A) ctga

B) cosa

C) tga

D) sina

16 / 25

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

A) 2 sm

B) 4 sm

C) 10 sm

D) 8 sm

17 / 25

Cheksiz kamayuvchi geometric progressiyada b1=1/4 , S=16 bo'lsa, q ni toping?

A) 1/8

B) 1/2

C) 1/4

D) 63/64

E) 64/65

18 / 25

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

A) 335

B) 260

C) 336

D) 337

19 / 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?