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8-sinf Matematika 2-chorak

InfoMaster

Aprel 20, 2021

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8-sinf Matematika 2-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 25

Qavariq n burchak ichki burchaklarning yig`indisi qaysi formula yordamida topiladi?

A) 180(n-2)/n

B) 180(n-2)

C) 180(n-3)

D) n-2/n

2 / 25

Quyidagi nuqtalardan qaysi biri y=-2x+5 funsiyaga tegishli emas?

A) (-2;9)

B) (3;-1)

C) (1;-3)

D) (0;5)

3 / 25

Funksiya y=x+2 formula bilan berilgan bo'lsa, M(0;2) nuqta shu funksiyaga tegishlimi?

A) tegishli

B) tegishli emas

4 / 25

To'rtburchak tomonlari 6mm, 8mm, 10mm va 1sm ga teng. Shu to`rtburchakning perimetrini toping.

A) 24

B) 25

C) 35

D) 34

5 / 25

y=-2x+b fuksiya grafigi M(-1;7) nuqtadan o`tadi, b ni toping.

A) 5

B) 9

C) -5

D) 3

6 / 25

y=kx+4 funksiya grafigi M(1;1) nuqtadan o`tishi mumkin bo`lsa, k ni toping.

A) -3

B) 3

C) -2

D) 3

7 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 360˚

B) 180˚

C) 720˚

D) 540˚

8 / 25

Funksiyalar qanday usullarda beriladi.

A) formula, jadval, grafik

B) formula, jadval

C) formula, jadval, sistema

D) sistema, jadval, grafik

9 / 25

Ta'rifni to'ldiring. Tamonlari teng bo'lgan parallelogramm .... deb ataladi.

A) Trapetsiya

B) Uchburchak

C) Romb

D) Parallelogramm

10 / 25

To`g`ri to`rtburchakning 3 ta burchagi mos ravishda 40⁰, 80⁰, 140⁰bo`lsa to`rtinchi burchagini toping.

A) 60˚

B) 90˚

C) 120˚

D) 100˚

11 / 25

Ta`rifni davom ettiring. y=x²funksiyada..

A) x erksiz o'zgaruvchi, y(x) erkli o'zgaruvchi

B) chiziqli funksiya

C) x erkli o'zgaruvchi, y(x) erksiz o'zgaruvchi

D) TJY

12 / 25

To'g'ri to'rtburchakning perimetri 66 smga teng eni esa 15 sm. Shu to'rtburchakning bo'yini toping?

A) 18

B) 20

C) 36

D) 23

13 / 25

Funksiya y(x)=2x-1 formula bilan berilgan bo'lsa, y(10) ni toping.

A) 21

B) 20

C) 3

D) 19

14 / 25

Ta'rifni to'ldiring. Qarama-qarshi tamonlari o'zaro parallel bo'lgan to'g'ri to'rtburchak .... deb ataladi.

A) Trapetsiya

B) Romb

C) Uchburchak

D) Parallelogramm

15 / 25

To'g'ri to'rtburchak bir tomoni 16 smga perimetri 70 smga teng ikkinchi tomonini toping.

A) 18

B) 20

C) 35

D) 19

16 / 25

x ning qanday qiymatida funksiyaning qiymati 1 ga teng bo’ladi

A) 15/15

B) 1/3; 1/2

C) 15/8

D) 1/2; 1/2

17 / 25

Tengsizlikni yeching: 5(x-3)+2x<4x+3

A) x>-6

B) x>6

C) x<6

D) x<-6

18 / 25

a ning qanday qiymatlarida $\left\{\begin{matrix} ax-2y=0 & \\ 3x+2y=5& \end{matrix}\right.$ tenglamalar sistemasi yechimga ega bo`lmaydi.

A) 2

B) 0

C) -3

D) 1

19 / 25

7x+5 $\geq$ 3(x-1)-4x tengsizlikning yechimi bo`ladigan eng kichik butun sonni toping.

A) x=-2

B) x=-1

C) x=2

D) x=1

20 / 25

x ning qanday qiymatlarida kasrdan katta bo`ladi?

A) x<-3/16

B) x<3/16

C) x>-1/16

D) x>1/16

21 / 25

Tengsizlikni yeching:

4(x-1)+5(x+1)<6(x+2)+7(x-1)

A) x<-6

B) x>1

C) x>-1

D) x<-1

22 / 25

Tengsizlikni yeching:

A) x>-0,35

B) x<-15

C) x>15

D) x>0,35

23 / 25

4 ga bo`lganda 3 qoldiq, 10 ga bo`lganda 1 qoldiq chiqadigan va ikkinchi bo`linma birinchi bo`linmadan 13 ta kam bo`ladigan natural sonni toping.

A) 81

B) 91

C) 95

D) 87

24 / 25

Tengsizliklar sistemasining yechimi bo`ladigan eng katta butun sonni toping:

A) x=-2

B) x=1

C) x=3

D) x=-1

25 / 25

x ning qanday qiymatlarida kasrlar yig`indisidan kichik bo`ladi?

A) x<-3,2

B) x>3,3

C) x<3,2

D) x>-3,3

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