9-sinf Matematika 4-chorak

OMAD YOR BO'LSIN!

Tomonidan yaratilgan InfoMaster

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

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

A) to'g'ri javob yo`q

B) (-∞;1) U (6; ∞)

C) (-4; 6)

D) (2; 3)

3 / 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) 10 m

B) 25 m

C) 45 m

D) 15 m

4 / 25

x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi

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

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

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

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

5 / 25

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

A) 1

B) 9

C) -1

D) 6

6 / 25

Burchakning radian o’lchovini toping: 300^°

A) 5π/3

B) π/4

C) 2π/3

D) π/3

7 / 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) (24+8√3) sm²

C) (2+8√3) sm²

D) 8√3 sm²

8 / 25

Burchakning gradus o’lchovini toping: 3π/4

A) 35°

B) 140°

C) 150°

D) 135°

9 / 25

Hisoblang: tg1800^° - sin495^°+ cos495^°

A) 1

B) 0

C) 2

D) -1

10 / 25

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

A) 72

B) 340

C) 2√27

D) 320

11 / 25

Tenglamani yeching: sin(π -x)=1

A) π/2

B) π/2+2πk

C) π/2-2πk

D) 2πk

12 / 25

Funksiyaning aniqlanish sohasini toping: y=4x²+5

A) (-∞,+∞)

B) (0;5/4)

C) (5/4;+∞)

D) (1;2)

13 / 25

Tenglamaning musbat ildizini toping

A) 32

B) 45

C) 64

D) 9

14 / 25

Hisoblang

A) 2

B) -2

C) 9

D) 3

15 / 25

Funksiyaning aniqlanish sohasini toping

A) (-∞;+∞ )

B) x≥ 1

C) x≤1

D) x≠1

16 / 25

Agar va 90^°° bo’lsa, sina ni toping

A) 14/13

B) 5/13

C) 5/12

D) 12/13

17 / 25

Ikkita gomotetik ko’pburchak uchun to’g’ri tasdiqni ko’rsating

A) To’g’ri javob yo’q

B) Ular tengdosh

C) Ular o’xshash

D) Ular teng

18 / 25

x= -2 da y=2x² +5x-3 funksiyaning qiymatini toping

A) -5

B) 0,5

C) 5

D) -4

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?

A) 345/2

B) 178/3

C) 300

D) 495/2

20 / 25

Arifmetik progressiyada d=4, $S_{50}$ =5000 bo'lsa, $a_{1}$ ni toping?

A) 2

B) 100

C) -2

D) 1250

21 / 25

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

A) 337

B) 335

C) 260

D) 336

22 / 25

Ifodani soddalashtiring:

A) -1/cosɑ

B) 1/ctgɑ

C) √1/cosɑ

D) 2/sinɑ

23 / 25

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

A) 336

B) 335

C) 337

D) 728

24 / 25

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

A) 38 sm

B) 42 sm

C) 30 sm

D) 40 sm

25 / 25

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

A) 1/2

B) 1/8

C) 1/4

D) 63/64

E) 64/65

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9-sinf Matematika 4-chorak

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

Author: InfoMaster