9-sinf Matematika 4-chorak

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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

Teng yonli trapetsiyaning ikkita burchagi ayirmasi 40⁰ ga teng. uning burchaklarini toping

A) 140°; 40°; 140°; 40°

B) 110°; 70°; 110°; 70°

C) 135°; 45°; 135°; 45°

D) 115° ; 75° ; 115° ; 75°

3 / 25

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

A) I, II

B) I, II, III, IV

C) I, III, IV

D) III, IV

4 / 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) 168 sm

B) 148 sm

C) 178 sm

D) 158 sm

5 / 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; ∞)

6 / 25

Tenglamani yeching: sin(π -x)=1

A) π/2

B) π/2+2πk

C) π/2-2πk

D) 2πk

7 / 25

Ifodani soddalashtiring

A) 1

B) 1/sinɑ

C) 1/cosɑ

D) -1

8 / 25

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

A) 1

B) 5/12

C) 12/5

D) 5/13

9 / 25

Ifodaning qiymatini toping sin300^°

A) 0

B) 2/√3

C) -1/2

D) 1/2

10 / 25

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

A) 0,5

B) -4

C) 5

D) -5

11 / 25

Funksiyaning aniqlanish sohasini toping: y=4x²+5

A) (0;5/4)

B) (1;2)

C) (-∞,+∞)

D) (5/4;+∞)

12 / 25

sin60^° nimaga teng

A) 1

B) √3/2

C) √2/2

D) 1/2

13 / 25

Hisoblang

A) √23

B) √589

C) √7

D) √2

14 / 25

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

A) cosa

B) sina

C) tga

D) ctga

15 / 25

Arifmetik progressiyada $a_{2}+a_{9}$ =20 bo'lsa, $S_{10}$ ni toping?

A) 90

B) 110

C) 200

D) 100

16 / 25

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

A) 2-√3

B) 3

C) 2√3 /3

D) 2

17 / 25

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

A) -9797

B) -9798

C) 7979

D) 2009

18 / 25

Ifodani soddalashtiring:

A) √1/cosɑ

B) 2/sinɑ

C) 1/ctgɑ

D) -1/cosɑ

19 / 25

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

A) 21,2π sm²

B) 21π sm²

C) 1,25π sm²

D) 21,25π sm²

20 / 25

Ifodani soddalashtiring:

A) 4√2

B) 1

C) √3

D) 2

21 / 25

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

A) 70 sm²

B) 63 sm²

C) 78 sm²

D) 68 sm²

22 / 25

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

A) 55

B) 39

C) 100

D) 74

23 / 25

8 ga bo’lganda 7 qoldiq beradign ketma-ketlikning 5-hadini belgilang?

A) 74

B) 55

C) 63

D) 39

24 / 25

Hisoblang:

A) 1/2

B) 1

C) 2

D) 3/2

25 / 25

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

A) 17

B) 12

C) 2

D) 4

Baholash mezoni

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71%-85% 4 baho

56%-70% 3 baho

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