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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

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

2 / 25

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

A) 24

B) 34

C) 25

D) 35

3 / 25

Quyidagi nuqtalardan qaysi biri y=3x+7 funksiyaga tegishli.

A) (3;5)

B) (-1;4)

C) (2;10)

D) (1;11)

4 / 25

Quyidagilardan qaysi biri chiziqli funksiyaga misol bo'ladi?

A) y=3x²

B) y=2x²+3

C) y=250

D) y=2x+5

5 / 25

Ta'rifni to'ldiring. Ikala tamoni parallel, qolgan tamonlari parallel bo'lmagan to'rtburchak .... deb ataladi.

A) parallelogramm

B) romb

C) trapetsiya

D) kvadrat

6 / 25

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

A) 18

B) 35

C) 19

D) 20

7 / 25

Ta`rifni davom ettiring. y=x²funksiyada..

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

B) chiziqli funksiya

C) TJY

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

8 / 25

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

A) 180(n-3)

B) 180(n-2)

C) n-2/n

D) 180(n-2)/n

9 / 25

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

A) Uchburchak

B) Trapetsiya

C) Romb

D) Parallelogramm

10 / 25

Nuqtalar abssissasini toping. (1;0), (4;0), (0;-2)

A) 1, 4, 0;

B) 1, 0, 0;

C) 1, 4, -2.

D) 0, 0, -2;

11 / 25

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

A) 20

B) 23

C) 18

D) 36

12 / 25

106 ni kvadirati toping.

A) 1234

B) 11236

C) 11225

D) 1236

13 / 25

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

A) 5

B) 9

C) 3

D) -5

14 / 25

y=kx+b funksiya qanday funksiyaga misol bo`ladi.

A) formulali

B) grafikli

C) jadvalli

D) chiziqli

15 / 25

Ta'rifni to'ldiring. Tamonlari teng bo'lgan to'g'ri to'rtburchak .... deb ataladi.

A) Parallelogramm

B) Romb

C) Trapetsiya

D) Kvadrat

16 / 25

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

A) 21

B) 3

C) 19

D) 20

17 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 540˚

B) 360˚

C) 180˚

D) 720˚

18 / 25

Kitob va daftar birgalikda 1100 so`m turadi. Kitob narxining 5% i daftar narxining 10% idan 25 so`m qimmat. Kitob va daftar alohida-alohida qancha turadi.

A) 950 so`m, 150 so`m

B) 800 so`m, 300 so`m

C) 900 so`m, 200 so`m

D) 750 so`m, 350 so`m

19 / 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) 95

B) 91

C) 87

D) 81

20 / 25

Tenglmalar sistemasini yeching.

A) x=6, y=-2

B) x=-6, y=2

C) x=2, y=-6

D) x=-2, y=6

21 / 25

Tenglmalar sistemasini yeching.

A) x=-2, y=1

B) x=2, y=1

C) x=2, y=-1

D) x=1, y=2

22 / 25

(x,y ) sonlar juftligi $\left\{\begin{matrix} {7x-8y=10} & \\ {2x+y=-7} & \end{matrix}\right.$ sistemaning yechimi bo`lsa, y*x ni aniqlang

A) -5

B) 5

C) -4

D) 6

23 / 25

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

A) x=-1

B) x=-2

C) x=1

D) x=2

24 / 25

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

A) x>6

B) x<6

C) x<-6

D) x>-6

25 / 25

Tengsizlikni yeching:

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

A) x>1

B) x>-1

C) x<-1

D) x<-6

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