8-sinf Matematika 2-chorak

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8-sinf Matematika 2-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 25

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

A) x>-3

B) xϵø

C) x>-3

D) x<3

2 / 25

Tengsizlikni yeching:

A) x>15

B) x>-0,35

C) x>0,35

D) x<-15

3 / 25

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

A) x=-5

B) x=5

C) x=3

D) x=-3

4 / 25

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

A) x=7

B) x=-6

C) x=-7

D) x=6

5 / 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) 950 so`m, 150 so`m

B) 900 so`m, 200 so`m

C) 750 so`m, 350 so`m

D) 800 so`m, 300 so`m

6 / 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

7 / 25

Tenglamani yeching: 2x+1=3

A) 0,5

B) 3

C) 2

D) 1

8 / 25

Tenglmalar sistemasini yeching.

A) x=-2, y=1

B) x=2, y=-1

C) x=1, y=2

D) x=2, y=1

9 / 25

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

A) -5

B) 3

C) 5

D) 9

10 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 720˚

B) 180˚

C) 360˚

D) 540˚

11 / 25

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

A) 1, 0, 0;

B) 0, 0, -2;

C) 1, 4, 0;

D) 1, 4, -2.

12 / 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)

13 / 25

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

A) Trapetsiya

B) Romb

C) Kvadrat

D) Parallelogramm

14 / 25

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

A) tegishli

B) tegishli emas

15 / 25

Quyidagilardan qaysi biri chiziqli funksiyaga misol bo'ladi?

A) y=2x²+3

B) y=2x+5

C) y=3x²

D) y=250

16 / 25

Tenglamalar sistemsini yechishning necha xil usuli bor.

A) 3 xil

B) 2 xil

C) 4 xil

D) 1 xil

17 / 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

18 / 25

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

A) 35

B) 25

C) 34

D) 24

19 / 25

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

A) 30

B) 90

C) 180

D) 20

20 / 25

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

A) (-1;4)

B) (3;5)

C) (1;11)

D) (2;10)

21 / 25

Funksiyalar qanday usullarda beriladi.

A) formula, jadval, sistema

B) formula, jadval

C) sistema, jadval, grafik

D) formula, jadval, grafik

22 / 25

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

A) 19

B) 35

C) 20

D) 18

23 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 20

B) 9

C) 18

D) 9

24 / 25

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

A) 36

B) 18

C) 20

D) 23

25 / 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) Uchburchak

D) Parallelogramm

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