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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

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

A) x₁=1, x₂=6

B) x₁=2, x₂ =3

C) x₁= -2, x₂= -3

D) x₁= -1, x₂= - 6

2 / 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) 25 m

B) 10 m

C) 45 m

D) 15 m

3 / 25

To`rtburchak shaklidagi paxta maydoni xaritada yuzi 12 sm² bo`lgan to`rtburchak bilan tasvirlanadi. Agar xarita masshtabi
1: 5000 bo`lsa, maydonning haqiqiy yuzini toping

A) 0,6 ga

B) 3 ga

C) 2,4 ga

D) 2 ga

4 / 25

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

A) 7

B) 35

C) 147

D) 5

5 / 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

6 / 25

Ifodaning qiymatini toping:

A) 1/2

B) √2/2

C) √3/2

D) √3/3

7 / 25

Funksiyaning aniqlanish sohasini toping:

A) x≠1

B) x≥1

C) x≤1

D) (-∞;∞ )

8 / 25

Ifodani soddalashtiring

A) 2/sin²ɑ

B) ctgɑ

C) 1/sin²ɑ

D) tgɑ

9 / 25

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

A) 0

B) 2

C) 1

D) -1

10 / 25

Ifodaning qiymatini toping sin300^°

A) 2/√3

B) 1/2

C) -1/2

D) 0

11 / 25

Hisoblang

A) 7

B) 6

C) 2

D) -2

12 / 25

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

A) 2x² -17xy

B) 2x²

C) 17xy

D) x² -xy

13 / 25

Sonlarni taqqoslang

A) b=a+0,8

B) a = b + 0,5

C) b<a

D) b=a

14 / 25

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

A) -4

B) 5

C) 0,5

D) -5

15 / 25

Hisoblang:

A) 24

B) 2,4

C) 5,76

D) 3,4

16 / 25

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

A) 45°

B) 30°

C) 90°

D) 60°

17 / 25

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

A) 2

B) 3

C) 2√3 /3

D) 2-√3

18 / 25

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

A) 2

B) 3,5

C) 3

D) 4

19 / 25

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

A) 40 sm

B) 42 sm

C) 38 sm

D) 30 sm

20 / 25

Ifodani soddalashtiring:

A) -1/cosɑ

B) √1/cosɑ

C) 2/sinɑ

D) 1/ctgɑ

21 / 25

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

A) 17

B) 4

C) 12

D) 2

22 / 25

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

A) 1/8

B) 64/65

C) 63/64

D) 1/4

E) 1/2

23 / 25

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

A) 68 sm²

B) 70 sm²

C) 78 sm²

D) 63 sm²

24 / 25

Ifodani soddalashtiring:

A) tgɑ*cosβ

B) ctgɑ*tgβ

C) tgɑ*tgβ

D) sinɑ*tgβ

25 / 25

7 ga karrali dastlabki nechta natural sonni qo'shganda 385 hosil bo'ladi?

A) 15

B) 18

C) 13

D) 10

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