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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

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

A) 90˚

B) 60˚

C) 100˚

D) 120˚

2 / 25

Funksiyalar qanday usullarda beriladi.

A) formula, jadval

B) formula, jadval, grafik

C) sistema, jadval, grafik

D) formula, jadval, sistema

3 / 25

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

A) n-2/n

B) 180(n-3)

C) 180(n-2)

D) 180(n-2)/n

4 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 540˚

B) 180˚

C) 720˚

D) 360˚

5 / 25

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

A) 20

B) 180

C) 90

D) 30

6 / 25

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

A) (0;5)

B) (3;-1)

C) (1;-3)

D) (-2;9)

7 / 25

Ta`rifni davom ettiring. y=x²funksiyada..

A) TJY

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

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

D) chiziqli funksiya

8 / 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) Trapetsiya

D) Parallelogramm

9 / 25

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

A) 20

B) 36

C) 23

D) 18

10 / 25

Quyidagilardan qaysi biri chiziqli funksiyaga misol bo'ladi?

A) y=3x²

B) y=250

C) y=2x+5

D) y=2x²+3

11 / 25

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

A) 20

B) 35

C) 18

D) 19

12 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 18

B) 9

C) 9

D) 20

13 / 25

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

A) 0, 0, -2;

B) 1, 4, 0;

C) 1, 0, 0;

D) 1, 4, -2.

14 / 25

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

A) grafikli

B) jadvalli

C) formulali

D) chiziqli

15 / 25

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

A) x=3

B) x=5

C) x=-3

D) x=-5

16 / 25

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

A) 15/8

B) 1/3; 1/2

C) 1/2; 1/2

D) 15/15

17 / 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

18 / 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

19 / 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

20 / 25

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

A) x=2

B) x=-2

C) x=-1

D) x=1

21 / 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) 72

B) 26

C) 36

D) 20

22 / 25

Tengsizlikni yeching:

A) x>15

B) x>0,35

C) x<-15

D) x>-0,35

23 / 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) 87

B) 95

C) 91

D) 81

24 / 25

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

A) x<6

B) x<-6

C) x>6

D) x>-6

25 / 25

Tenglmalar sistemasini yeching.

A) x=2, y=-1

B) x=-2, y=1

C) x=1, y=2

D) x=2, y=1

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