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9-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

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SaqlashSaqlanganOlib tashlandi -1

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Tomonidan yaratilgan InfoMaster

9-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

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

A) 55

B) 100

C) 74

D) 39

2 / 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) 300

C) 495/2

D) 178/3

3 / 25

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

A) 2

B) 4

C) 12

D) 17

4 / 25

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

A) 21,2π sm²

B) 21,25π sm²

C) 1,25π sm²

D) 21π sm²

5 / 25

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

A) 18

B) 12

C) 15

D) 13

6 / 25

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

A) 337

B) 336

C) 728

D) 335

7 / 25

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

A) 39

B) 63

C) 74

D) 55

8 / 25

Ifodani soddalashtiring:

A) -1/cosɑ

B) 2/sinɑ

C) √1/cosɑ

D) 1/ctgɑ

9 / 25

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

A) 30 sm

B) 38 sm

C) 42 sm

D) 40 sm

10 / 25

Ifodaning qiymatini toping:

A) √3/2

B) 1/2

C) √2/2

D) √3/3

11 / 25

Agar va bo’lsa, ni toping

A) 1/3

B) 2/3

C) 0,5

D) 1,2

12 / 25

Tenglamani yeching: cos(x-π )=0

A) πk

B) 3π/2+2πk

C) 3π/2

D) 2πk

13 / 25

Parallelogrammning diagonallari 10 sm va 12 sm, ular orasidagi burchagi 60° ga teng. Parallelogramm tomonlarini toping

A) √31 sm, √94 sm

B) √11 sm, √41 sm

C) √31 sm, √91 sm

D) √31 sm, √61 sm

14 / 25

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

A) 4

B) 3

C) 8

D) 2

15 / 25

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

A) 2

B) 1

C) -1

D) 0

16 / 25

Ifodaning qiymatini toping sin300^°

A) -1/2

B) 0

C) 2/√3

D) 1/2

17 / 25

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

A) 2√3

B) √3

C) √13

D) 2√13

18 / 25

Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ?

A) y = 5x⁴ + 6x

B) y = 2010x² + 41x + 9

C) y = 3x² + x³ – 8

D) y = 2x -3

19 / 25

A(7;11), B(10; 7) bo`lsa, AB kesmaning uzunligini toping

A) 147

B) 35

C) 7

D) 5

20 / 25

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

A) (-4; 6)

B) to'g'ri javob yo`q

C) (2; 3)

D) (-∞;1) U (6; ∞)

21 / 25

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

A) 5

B) 9

C) 3

D) 1

22 / 25

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

A) 9

B) -1

C) 1

D) 6

23 / 25

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

A) I, II, III, IV

B) I, II

C) III, IV

D) I, III, IV

24 / 25

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

A) (-∞; -9) U (-4; ∞)

B) (4; 9)

C) (-∞;4) U (9; ∞)

D) (-9; -4)

25 / 25

Agar va 90^°° bo’lsa, sina ni toping

A) 5/12

B) 14/13

C) 12/13

D) 5/13

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