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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 kasrlar yig`indisidan kichik bo`ladi?

A) x<-3,2

B) x>-3,3

C) x>3,3

D) x<3,2

2 / 25

a ning qanday qiymatlarida $\left\{\begin{matrix} ax-2y=0 & \\ 3x+2y=5& \end{matrix}\right.$ tenglamalar sistemasi yechimga ega bo`lmaydi.

A) 1

B) 0

C) 2

D) -3

3 / 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) 81

B) 91

C) 87

D) 95

4 / 25

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

A) x>6

B) x<-6

C) x>-6

D) x<6

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) -4

C) 6

D) -5

6 / 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

7 / 25

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

A) x=-1

B) x=2

C) x=-2

D) x=1

8 / 25

Tenglmalar sistemasini yeching.

A) x=1, y=2

B) x=-2, y=1

C) x=2, y=1

D) x=2, y=-1

9 / 25

x ning qanday qiymatlarida kasrdan katta bo`ladi?

A) x<-3/16

B) x>1/16

C) x>-1/16

D) x<3/16

10 / 25

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

A) x=1

B) x=-1

C) x=-2

D) x=3

11 / 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) 72

C) 20

D) 26

12 / 25

Quyidagilardan qaysi biri chiziqli funksiyaga misol bo'ladi?

A) y=2x²+3

B) y=250

C) y=2x+5

D) y=3x²

13 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 180˚

B) 360˚

C) 720˚

D) 540˚

14 / 25

Funksiyalar qanday usullarda beriladi.

A) formula, jadval, sistema

B) formula, jadval

C) formula, jadval, grafik

D) sistema, jadval, grafik

15 / 25

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

A) 60˚

B) 100˚

C) 120˚

D) 90˚

16 / 25

Tenglamalar sistemsini yechishning necha xil usuli bor.

A) 1 xil

B) 2 xil

C) 4 xil

D) 3 xil

17 / 25

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

A) 35

B) 25

C) 34

D) 24

18 / 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.

19 / 25

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

A) (1;11)

B) (-1;4)

C) (3;5)

D) (2;10)

20 / 25

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

A) Romb

B) Trapetsiya

C) Parallelogramm

D) Uchburchak

21 / 25

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

A) 20

B) 19

C) 35

D) 18

22 / 25

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

A) Trapetsiya

B) Romb

C) Kvadrat

D) Parallelogramm

23 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 9

B) 18

C) 9

D) 20

24 / 25

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

A) 21

B) 20

C) 19

D) 3

25 / 25

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

A) 180(n-2)/n

B) 180(n-2)

C) 180(n-3)

D) n-2/n

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