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8-sinf Matematika 2-chorak

InfoMaster

Aprel 20, 2021

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OMAD YOR BO'LSIN!

Tomonidan yaratilgan InfoMaster

8-sinf Matematika 2-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 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

2 / 25

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

A) x>-6

B) x<-6

C) x>6

D) x<6

3 / 25

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

A) 15/15

B) 1/3; 1/2

C) 1/2; 1/2

D) 15/8

4 / 25

Tengsizlikni yeching:

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

A) x>-1

B) x>1

C) x<-6

D) x<-1

5 / 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

6 / 25

Tenglmalar sistemasini yeching.

A) x=-2, y=6

B) x=-6, y=2

C) x=6, y=-2

D) x=2, y=-6

7 / 25

Tengsizlikni yeching:

A) x>0,35

B) x>15

C) x<-15

D) x>-0,35

8 / 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) 87

C) 81

D) 91

9 / 25

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

A) x=6

B) x=7

C) x=-7

D) x=-6

10 / 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) 750 so`m, 350 so`m

C) 900 so`m, 200 so`m

D) 800 so`m, 300 so`m

11 / 25

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

A) x=-3

B) x=3

C) x=-5

D) x=5

12 / 25

Tenglmalar sistemasini yeching.

A) x=1, y=2

B) x=2, y=-1

C) x=-2, y=1

D) x=2, y=1

13 / 25

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

A) Uchburchak

B) Trapetsiya

C) Parallelogramm

D) Romb

14 / 25

Tenglamalar sistemsini yechishning necha xil usuli bor.

A) 4 xil

B) 2 xil

C) 1 xil

D) 3 xil

15 / 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) 36

D) 18

16 / 25

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

A) Romb

B) Trapetsiya

C) Parallelogramm

D) Kvadrat

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

Funksiyalar qanday usullarda beriladi.

A) formula, jadval

B) formula, jadval, sistema

C) sistema, jadval, grafik

D) formula, jadval, grafik

19 / 25

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

A) 20

B) 21

C) 3

D) 19

20 / 25

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

A) 120˚

B) 60˚

C) 90˚

D) 100˚

21 / 25

106 ni kvadirati toping.

A) 1234

B) 11225

C) 1236

D) 11236

22 / 25

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

A) -2

B) 3

C) -3

D) 3

23 / 25

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

A) (0;5)

B) (3;-1)

C) (-2;9)

D) (1;-3)

24 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 180˚

B) 360˚

C) 540˚

D) 720˚

25 / 25

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

A) tegishli emas

B) tegishli

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