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9-sinf Matematika 3-chorak

InfoMaster

Aprel 20, 2021

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9-sinf Matematika 3-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

Hisoblang

A) 7

B) 2

C) 6

D) -2

2 / 25

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

A) -4

B) -5

C) 5

D) 0,5

3 / 25

Sonlarni o’sish tartibida joylashtiring

A) c<a<b

B) c>a>b

C) a<b<c

D) b<a<c

4 / 25

Agar va 90^°° bo’lsa, sina ni toping

A) 14/13

B) 12/13

C) 5/13

D) 5/12

5 / 25

Hisoblang

A) 55/88

B) 2/1

C) 1

D) -1

6 / 25

sin60^° nimaga teng

A) 1/2

B) √3/2

C) 1

D) √2/2

7 / 25

Funksiyaning aniqlanish sohasini toping: y=4x²+5

A) (-∞,+∞)

B) (5/4;+∞)

C) (1;2)

D) (0;5/4)

8 / 25

Funksiyaning aniqlanish sohasini toping

A) x≤1

B) x≠1

C) x≥ 1

D) (-∞;+∞ )

9 / 25

Ifodaning qiymatini toping: tg300^°

A) 0

B) √3/3

C) √3

D) -√3

10 / 25

Poyezd har 30 m yo‘l yurganda 1 m tepaga ko‘tariladi. Temir yo‘lning gorizontga nisbatan ko‘tarilish burchagini toping

A) 30°

B) 60°

C) 2°

D) 22°

11 / 25

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

A) 73 sm²

B) 61 sm²

C) 63 sm²

D) 56 sm²

12 / 25

Tomoni 7√2 sm va o‘tmas burchagi 135° bo‘lgan romb yuzini toping

A) 64√2 sm²

B) 49√3 sm²

C) 50√3 sm²

D) 49√2 sm²

13 / 25

Burchakning radian o’lchovini toping: 300^°

A) π/3

B) π/4

C) 2π/3

D) 5π/3

14 / 25

y = 4x² +12x +9 funksiyaning o`sish oralig`ini toping

A) (1,5; ∞)

B) (-∞; 1,5)

C) (-1,5; ∞)

D) (-∞; -1,5)

15 / 25

Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ?

A) y = 2010x² + 41x + 9

B) y = 3x² + x³ – 8

C) y = 2x -3

D) y = 5x⁴ + 6x

16 / 25

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

A) 6

B) 1

C) 9

D) -1

17 / 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) 158 sm

C) 148 sm

D) 178 sm

18 / 25

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

A) 5

B) 3

C) 1

D) 9

19 / 25

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

A) 16

B) 7

C) 4

D) 9

20 / 25

y = x² +x -6 funksiya x ning qanday qiymatlarida manfiy qiymatlar qabul qiladi

A) (-∞;1) U (6; ∞)

B) (-∞;2) U (3; ∞)

C) (2; 3)

D) (-3; 2)

21 / 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 ga

D) 2,4 ga

22 / 25

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

A) (-9; -4)

B) (4; 9)

C) (-∞; -9) U (-4; ∞)

D) (-∞;4) U (9; ∞)

23 / 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) 45 m

B) 10 m

C) 15 m

D) 25 m

24 / 25

4x² + 4x +1 ≤0 tengsizlikni yeching

A) (-∞; -1/2)

B) (- ∞; ∞)

C) (-∞; -1)U(4;∞)

D) x = - 1/2

25 / 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