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8-sinf Matematika 2-chorak

InfoMaster

Aprel 20, 2021

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OMAD YOR BO'LSIN!

8-sinf Matematika 2-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 25

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

A) 19

B) 20

C) 18

D) 35

2 / 25

Funksiyalar qanday usullarda beriladi.

A) formula, jadval

B) formula, jadval, sistema

C) formula, jadval, grafik

D) sistema, jadval, grafik

3 / 25

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

A) Romb

B) Parallelogramm

C) Trapetsiya

D) Uchburchak

4 / 25

Ta'rifni to'ldiring. Ikala tamoni parallel, qolgan tamonlari parallel bo'lmagan to'rtburchak .... deb ataladi.

A) romb

B) trapetsiya

C) parallelogramm

D) kvadrat

5 / 25

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

A) y=9

B) y=3

C) y=1/3

D) y=6

6 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 720˚

B) 180˚

C) 360˚

D) 540˚

7 / 25

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

A) 180

B) 30

C) 20

D) 90

8 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 20

B) 9

C) 9

D) 18

9 / 25

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

A) 180(n-3)

B) 180(n-2)/n

C) n-2/n

D) 180(n-2)

10 / 25

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

A) formulali

B) grafikli

C) chiziqli

D) jadvalli

11 / 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=2

D) x=0

12 / 25

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

A) 25

B) 24

C) 35

D) 34

13 / 25

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

A) 1, 0, 0;

B) 1, 4, -2.

C) 1, 4, 0;

D) 0, 0, -2;

14 / 25

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

A) (1;11)

B) (-1;4)

C) (3;5)

D) (2;10)

15 / 25

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

A) 9

B) 3

C) 5

D) -5

16 / 25

106 ni kvadirati toping.

A) 11225

B) 1236

C) 11236

D) 1234

17 / 25

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

A) Trapetsiya

B) Uchburchak

C) Romb

D) Parallelogramm

18 / 25

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

A) x<6

B) x>6

C) x<-6

D) x>-6

19 / 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) 6

C) -4

D) 5

20 / 25

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

A) x=6

B) x=-7

C) x=7

D) x=-6

21 / 25

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

A) x<3,2

B) x<-3,2

C) x>3,3

D) x>-3,3

22 / 25

Tenglmalar sistemasini yeching.

A) x=1, y=2

B) x=2, y=-1

C) x=-2, y=1

D) x=2, y=1

23 / 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

24 / 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) 900 so`m, 200 so`m

B) 800 so`m, 300 so`m

C) 950 so`m, 150 so`m

D) 750 so`m, 350 so`m

25 / 25

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

A) x>-3

B) x<3

C) xϵø

D) x>-3

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