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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

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) 750 so`m, 350 so`m

C) 950 so`m, 150 so`m

D) 900 so`m, 200 so`m

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) 2

B) -3

C) 1

D) 0

3 / 25

Tenglamani yeching: 2x+1=3

A) 3

B) 0,5

C) 2

D) 1

4 / 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

5 / 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

6 / 25

Tengsizlikni yeching:

A) x>15

B) x>-0,35

C) x>0,35

D) x<-15

7 / 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) 26

C) 72

D) 36

8 / 25

Tenglmalar sistemasini yeching.

A) x=2, y=-6

B) x=-6, y=2

C) x=-2, y=6

D) x=6, y=-2

9 / 25

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

A) x=3

B) x=-1

C) x=-2

D) x=1

10 / 25

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

A) (1;-3)

B) (0;5)

C) (-2;9)

D) (3;-1)

11 / 25

Funksiya y=x+2 formula bilan berilgan bo'lsa, M(0;2) nuqta shu funksiyaga tegishlimi?

A) tegishli emas

B) tegishli

12 / 25

Quyidagilardan qaysi biri chiziqli funksiyaga misol bo'ladi?

A) y=2x²+3

B) y=3x²

C) y=2x+5

D) y=250

13 / 25

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

A) 60˚

B) 90˚

C) 120˚

D) 100˚

14 / 25

Tenglamalar sistemsini yechishning necha xil usuli bor.

A) 3 xil

B) 4 xil

C) 1 xil

D) 2 xil

15 / 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

16 / 25

106 ni kvadirati toping.

A) 1236

B) 1234

C) 11225

D) 11236

17 / 25

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

A) 18

B) 35

C) 19

D) 20

18 / 25

Ta`rifni davom ettiring. y=x²funksiyada..

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

B) TJY

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

D) chiziqli funksiya

19 / 25

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

A) 36

B) 23

C) 18

D) 20

20 / 25

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

A) 3

B) 20

C) 19

D) 21

21 / 25

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

A) 34

B) 24

C) 35

D) 25

22 / 25

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

A) (3;5)

B) (-1;4)

C) (1;11)

D) (2;10)

23 / 25

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

A) Parallelogramm

B) Romb

C) Uchburchak

D) Trapetsiya

24 / 25

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

A) y=9

B) y=1/3

C) y=6

D) y=3

25 / 25

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

A) 30

B) 90

C) 180

D) 20

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