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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

x ning qanday qiymatlarida kasrdan katta bo`ladi?

A) x<3/16

B) x>-1/16

C) x<-3/16

D) x>1/16

2 / 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) 81

D) 87

3 / 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) 26

B) 20

C) 36

D) 72

4 / 25

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

A) x>-3

B) xϵø

C) x>-3

D) x<3

5 / 25

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

A) x>-6

B) x<-6

C) x<6

D) x>6

6 / 25

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

A) x=6

B) x=-6

C) x=7

D) x=-7

7 / 25

Tenglamani yeching: 2x+1=3

A) 1

B) 2

C) 0,5

D) 3

8 / 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) 800 so`m, 300 so`m

B) 950 so`m, 150 so`m

C) 900 so`m, 200 so`m

D) 750 so`m, 350 so`m

9 / 25

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

A) x=1

B) x=-1

C) x=3

D) x=-2

10 / 25

Tenglmalar sistemasini yeching.

A) x=1, y=2

B) x=2, y=-1

C) x=2, y=1

D) x=-2, y=1

11 / 25

Tenglmalar sistemasini yeching.

A) x=-2, y=6

B) x=-6, y=2

C) x=2, y=-6

D) x=6, y=-2

12 / 25

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

A) y=6

B) y=9

C) y=3

D) y=1/3

13 / 25

Funksiyalar qanday usullarda beriladi.

A) sistema, jadval, grafik

B) formula, jadval, grafik

C) formula, jadval, sistema

D) formula, jadval

14 / 25

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

A) chiziqli

B) jadvalli

C) grafikli

D) formulali

15 / 25

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

A) x=4

B) x=1

C) x=0

D) x=2

16 / 25

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

A) 180

B) 20

C) 90

D) 30

17 / 25

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

A) 24

B) 35

C) 34

D) 25

18 / 25

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

A) Parallelogramm

B) Uchburchak

C) Romb

D) Trapetsiya

19 / 25

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

A) 18

B) 20

C) 36

D) 23

20 / 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;

21 / 25

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

A) 3

B) -5

C) 9

D) 5

22 / 25

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

A) n-2/n

B) 180(n-2)

C) 180(n-2)/n

D) 180(n-3)

23 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 18

B) 9

C) 20

D) 9

24 / 25

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

A) (3;-1)

B) (0;5)

C) (1;-3)

D) (-2;9)

25 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 540˚

B) 180˚

C) 720˚

D) 360˚

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