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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

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) 900 so`m, 200 so`m

B) 950 so`m, 150 so`m

C) 750 so`m, 350 so`m

D) 800 so`m, 300 so`m

2 / 25

7(1-x)>5(3-x) tengsizlikning yechimi bo`ladigan eng katta butun sonni toping.

A) x=3

B) x=5

C) x=-5

D) x=-3

3 / 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

4 / 25

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

A) x<-6

B) x>6

C) x>-6

D) x<6

5 / 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

6 / 25

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

A) x=3

B) x=-1

C) x=-2

D) x=1

7 / 25

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

A) 1/2; 1/2

B) 15/8

C) 15/15

D) 1/3; 1/2

8 / 25

Tengsizliklar sistemasini yeching: $\left\{\begin{matrix} 3(1-x)>5-4x& \\ 13+4x<1 && \end{matrix}\right.$

A) x<3

B) x>-3

C) x>-3

D) xϵø

9 / 25

Tengsizlikni yeching:

A) x>15

B) x>-0,35

C) x<-15

D) x>0,35

10 / 25

Ikki xonali sonning raqamlari yig`indisi 9 ga teng. Shu raqamlar bilan teskari tartibda yozilgan son berilgan sondan 27 ta ortiq. Berilgan sonni toping.

A) 36

B) 26

C) 20

D) 72

11 / 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

12 / 25

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

A) Uchburchak

B) Parallelogramm

C) Romb

D) Trapetsiya

13 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 20

B) 9

C) 9

D) 18

14 / 25

y=3x funksiyaning x=3 bo`lganda y ning unga mos qiymatni toping.

A) y=6

B) y=3

C) y=1/3

D) y=9

15 / 25

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

A) 25

B) 34

C) 35

D) 24

16 / 25

Quyidagilardan qaysi biri chiziqli funksiyaga misol bo'ladi?

A) y=2x+5

B) y=250

C) y=2x²+3

D) y=3x²

17 / 25

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

A) (-1;4)

B) (2;10)

C) (1;11)

D) (3;5)

18 / 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;

19 / 25

Funksiya y=-3x+5 formula bilan berilgan. x ning shunday qiymatini topingki y=-1 bo`lsin.

A) x=1

B) x=0

C) x=2

D) x=4

20 / 25

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

A) Uchburchak

B) Romb

C) Parallelogramm

D) Trapetsiya

21 / 25

Tenglamalar sistemsini yechishning necha xil usuli bor.

A) 4 xil

B) 1 xil

C) 2 xil

D) 3 xil

22 / 25

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

A) chiziqli

B) grafikli

C) formulali

D) jadvalli

23 / 25

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

A) tegishli

B) tegishli emas

24 / 25

Ta`rifni davom ettiring. y=x²funksiyada..

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

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

C) TJY

D) chiziqli funksiya

25 / 25

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

A) (0;5)

B) (3;-1)

C) (-2;9)

D) (1;-3)

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