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9-sinf Matematika 4-chorak

InfoMaster

Aprel 20, 2021

1373 Ko'rishlar 3 izohlar

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Tomonidan yaratilgan InfoMaster

9-sinf Matematika 4-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

p ning nechta butun qiymatida
x² + px +4 = 0 tenglama haqiqiy ildizga ega emas

A) 16

B) 7

C) 9

D) 4

2 / 25

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

A) (-∞;4) U (9; ∞)

B) (4; 9)

C) (-9; -4)

D) (-∞; -9) U (-4; ∞)

3 / 25

Berilgan uchburchak tomonlari 21 sm, 27 sm va 32 sm. Agar perimetri 120 sm bo`lgan uchburchak berilgan uchburchakka o`xshash bo`lsa, uning eng katta tomonini toping

A) 40,5 sm

B) 42 sm

C) 48 sm

D) 31,5 sm

4 / 25

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

A) III, IV

B) I, III, IV

C) I, II, III, IV

D) I, II

5 / 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

6 / 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) 3 ga

B) 0,6 ga

C) 2,4 ga

D) 2 ga

7 / 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

8 / 25

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

A) 5

B) 35

C) 147

D) 7

9 / 25

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

A) -2

B) 2

C) 100

D) 1250

10 / 25

Ifodani soddalashtiring:

A) 1

B) √3

C) 2

D) 4√2

11 / 25

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

A) 13

B) 12

C) 15

D) 18

12 / 25

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

A) 70 sm²

B) 68 sm²

C) 63 sm²

D) 78 sm²

13 / 25

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

A) 100

B) 74

C) 55

D) 39

14 / 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, √61 sm

D) √31 sm, √91 sm

15 / 25

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

A) 3

B) 8

C) 2

D) 4

16 / 25

Ifodani soddalashtiring

A) -1

B) 1

C) 1/sinɑ

D) 1/cosɑ

17 / 25

Tenglamani yeching: sin(π -x)=1

A) π/2-2πk

B) 2πk

C) π/2

D) π/2+2πk

18 / 25

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

A) 12/5

B) 5/12

C) 5/13

D) 1

19 / 25

Funksiyaning aniqlanish sohasini toping: y=4x²+5

A) (0;5/4)

B) (-∞,+∞)

C) (1;2)

D) (5/4;+∞)

20 / 25

Hisoblang

A) 9

B) 3

C) -2

D) 2

21 / 25

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

A) sina

B) ctga

C) cosa

D) tga

22 / 25

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

A) Kesishish nuqtasida 2:1 nisbatda bo’linadi

B) Har biri uchburchakni ikkita tengdosh qismga ajratadi

C) Bir nuqtada kesishadi

D) Bir – biriga teng

23 / 25

Hisoblang:

A) 24

B) 2,4

C) 3,4

D) 5,76

24 / 25

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

A) 2x² -17xy

B) 2x²

C) 17xy

D) x² -xy

25 / 25

Tenglamaning musbat ildizini toping

A) 64

B) 45

C) 9

D) 32

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