Barcha fanlardan online testlar

8-sinf Matematika 3-chorak

InfoMaster

Aprel 20, 2021

635 Ko'rishlar 1 izoh

SaqlashSaqlanganOlib tashlandi 1

OMAD YOR BO'LSIN!

Tomonidan yaratilgan InfoMaster

8-sinf Matematika 3-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 25

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

A) 18

B) 36

C) 20

D) 23

2 / 25

Ta`rifni davom ettiring. y=x²funksiyada..

A) chiziqli funksiya

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

C) TJY

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

3 / 25

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

A) 20

B) 30

C) 90

D) 180

4 / 25

Tenglamalar sistemsini yechishning necha xil usuli bor.

A) 1 xil

B) 2 xil

C) 4 xil

D) 3 xil

5 / 25

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

A) 1, 4, -2.

B) 1, 0, 0;

C) 1, 4, 0;

D) 0, 0, -2;

6 / 25

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

A) 25

B) 34

C) 24

D) 35

7 / 25

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

A) 180(n-2)

B) n-2/n

C) 180(n-3)

D) 180(n-2)/n

8 / 25

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

A) grafikli

B) jadvalli

C) formulali

D) chiziqli

9 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 720˚

B) 540˚

C) 360˚

D) 180˚

10 / 25

5 : 13 sonini 0,001 gacha aniqlikdagi o’nli kasr ko’rinishida tasvirlang:

A) 0,385

B) 0,835

C) 0,853

D) 0,538

11 / 25

Agar kvadratning yuzi 36/49 mm² ga teng bo’lsa, uning tomonini toping?

A) 6/7mm

B) 6/7 sm

C) 7/6 mm

D) 6/8mm

12 / 25

Tenglamani yeching: x(x-2)=0

A) 2 va -3

B) 0 va 2

C) 0 va 1

D) 0 va -2

13 / 25

Yuzi 144 sm² , balandliklari 8 sm va 12 sm bo’lgan paraleligramning perimetrini toping.

A) 46 sm

B) 60 sm

C) 56 sm

D) 40 sm

14 / 25

Rombning diagonallari 18 sm va 24 sm uning perimetrini toping

A) 40 sm

B) 60 sm

C) 30 sm

D) 50 sm

15 / 25

Asoslari 8 va 12 ga teng bo’lgan teng yonli trapetsiyaning diagonallari o’zaro perpendikulyar. Uning yuzini toping.

A) 64

B) 144

C) 100

D) 76

16 / 25

Tengsizlikning ikkala qismini 2 ga bo’ling: -2< 5

A) -1<0,5

B) -1≤2,5

C) -1<2,5

D) 1<5

17 / 25

Tengsizlikning ikkala qismiga -10 ni qo’shing: 3,35<4,5

A) -6,65<5,5

B) -6,65<-5,5

C) -6<-5

D) 6,65<5,5

18 / 25

Tenglmalar sistemasini yeching.

A) x=6, y=-2

B) x=-2, y=6

C) x=-6, y=2

D) x=2, y=-6

19 / 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

20 / 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

21 / 25

Tengsizlikni yeching:

4(x-1)+5(x+1)<6(x+2)+7(x-1)

A) x>-1

B) x>1

C) x<-6

D) x<-1

22 / 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

23 / 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) 750 so`m, 350 so`m

B) 900 so`m, 200 so`m

C) 950 so`m, 150 so`m

D) 800 so`m, 300 so`m

24 / 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) x>-3

D) xϵø

25 / 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) 72

C) 26

D) 36