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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

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) 91

B) 95

C) 81

D) 87

2 / 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) -4

B) 6

C) -5

D) 5

3 / 25

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

A) x>-6

B) x<6

C) x<-6

D) x>6

4 / 25

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

A) 1/2; 1/2

B) 15/8

C) 1/3; 1/2

D) 15/15

5 / 25

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

A) x=1

B) x=-1

C) x=-2

D) x=3

6 / 25

Tenglamani yeching: 2x+1=3

A) 2

B) 1

C) 3

D) 0,5

7 / 25

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

A) x>-3,3

B) x<3,2

C) x<-3,2

D) x>3,3

8 / 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) 20

B) 36

C) 26

D) 72

9 / 25

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

A) x=5

B) x=-3

C) x=3

D) x=-5

10 / 25

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

A) xϵø

B) x<3

C) x>-3

D) x>-3

11 / 25

Tenglmalar sistemasini yeching.

A) x=-2, y=1

B) x=1, y=2

C) x=2, y=-1

D) x=2, y=1

12 / 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=-1

D) x=-2

13 / 25

Tengsizlikni yeching:

A) x>15

B) x>-0,35

C) x>0,35

D) x<-15

14 / 25

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

A) 3

B) -2

C) -3

D) 3

15 / 25

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

A) jadvalli

B) chiziqli

C) formulali

D) grafikli

16 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 180˚

B) 360˚

C) 720˚

D) 540˚

17 / 25

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

A) (3;5)

B) (2;10)

C) (-1;4)

D) (1;11)

18 / 25

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

A) 20

B) 3

C) 19

D) 21

19 / 25

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

A) (-2;9)

B) (3;-1)

C) (0;5)

D) (1;-3)

20 / 25

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

A) 90˚

B) 120˚

C) 60˚

D) 100˚

21 / 25

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

A) 18

B) 19

C) 20

D) 35

22 / 25

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

A) x=2

B) x=1

C) x=4

D) x=0

23 / 25

Funksiyalar qanday usullarda beriladi.

A) formula, jadval, sistema

B) formula, jadval, grafik

C) formula, jadval

D) sistema, jadval, grafik

24 / 25

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

A) 34

B) 35

C) 24

D) 25

25 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 9

B) 9

C) 18

D) 20

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