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8-sinf Matematika 2-chorak

InfoMaster

Aprel 20, 2021

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OMAD YOR BO'LSIN!

8-sinf Matematika 2-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 25

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

A) x=3

B) x=1

C) x=-1

D) x=-2

2 / 25

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

A) x=-6

B) x=7

C) x=-7

D) x=6

3 / 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) 750 so`m, 350 so`m

B) 950 so`m, 150 so`m

C) 800 so`m, 300 so`m

D) 900 so`m, 200 so`m

4 / 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

5 / 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

6 / 25

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

A) 1

B) 2

C) -3

D) 0

7 / 25

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

A) x=1

B) x=-1

C) x=2

D) x=-2

8 / 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) 6

B) -5

C) 5

D) -4

9 / 25

Tenglmalar sistemasini yeching.

A) x=-6, y=2

B) x=6, y=-2

C) x=-2, y=6

D) x=2, y=-6

10 / 25

Tengsizlikni yeching:

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

A) x<-1

B) x<-6

C) x>-1

D) x>1

11 / 25

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

A) 21

B) 20

C) 19

D) 3

12 / 25

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

A) 60˚

B) 120˚

C) 90˚

D) 100˚

13 / 25

106 ni kvadirati toping.

A) 11236

B) 1234

C) 11225

D) 1236

14 / 25

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

A) trapetsiya

B) parallelogramm

C) kvadrat

D) romb

15 / 25

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

A) tegishli

B) tegishli emas

16 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 360˚

B) 720˚

C) 540˚

D) 180˚

17 / 25

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

A) 5

B) -5

C) 9

D) 3

18 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 20

B) 9

C) 9

D) 18

19 / 25

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

A) Parallelogramm

B) Trapetsiya

C) Uchburchak

D) Romb

20 / 25

S(t)=60t funksiya berilgan bo'lsa, S(3) ni toping.

A) 20

B) 180

C) 30

D) 90

21 / 25

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

A) Trapetsiya

B) Uchburchak

C) Parallelogramm

D) Romb

22 / 25

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

A) 1, 4, -2.

B) 1, 0, 0;

C) 0, 0, -2;

D) 1, 4, 0;

23 / 25

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

A) Trapetsiya

B) Parallelogramm

C) Romb

D) Kvadrat

24 / 25

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

A) (3;5)

B) (1;11)

C) (-1;4)

D) (2;10)

25 / 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

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