8-sinf Matematika 3-chorak

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8-sinf Matematika 3-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 25

Tenglmalar sistemasini yeching.

A) x=2, y=-1

B) x=2, y=1

C) x=-2, y=1

D) x=1, y=2

2 / 25

Tenglamani yeching: 2x+1=3

A) 2

B) 1

C) 3

D) 0,5

3 / 25

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

A) -3

B) 0

C) 2

D) 1

4 / 25

Tengsizlikni yeching:

A) x>0,35

B) x>15

C) x>-0,35

D) x<-15

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) 800 so`m, 300 so`m

B) 900 so`m, 200 so`m

C) 750 so`m, 350 so`m

D) 950 so`m, 150 so`m

6 / 25

x ning qanday qiymatlarida kasrdan katta bo`ladi?

A) x>1/16

B) x<-3/16

C) x>-1/16

D) x<3/16

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) 72

C) 26

D) 36

8 / 25

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

A) 18

B) 20

C) 23

D) 36

9 / 25

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

A) Parallelogramm

B) Uchburchak

C) Trapetsiya

D) Romb

10 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 20

B) 9

C) 9

D) 18

11 / 25

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

A) tegishli

B) tegishli emas

12 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 540˚

B) 360˚

C) 720˚

D) 180˚

13 / 25

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

A) Kvadrat

B) Trapetsiya

C) Parallelogramm

D) Romb

14 / 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;

15 / 25

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

A) 19

B) 21

C) 20

D) 3

16 / 25

Funksiya y=-3x+5 formula bilan berilgan. x ning shunday qiymatini topingki y=-1 bo`lsin.

A) x=1

B) x=2

C) x=4

D) x=0

17 / 25

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

A) (1;11)

B) (-1;4)

C) (2;10)

D) (3;5)

18 / 25

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

A) -1<0,5

B) 1<5

C) -1≤2,5

D) -1<2,5

19 / 25

Tenglamani yeching: x(x-2)=0

A) 0 va 2

B) 2 va -3

C) 0 va 1

D) 0 va -2

20 / 25

Teng tomonli uchburchakning balandligi 9 sm. Shu uchburchakka ichki chizilgan aylana radiusini toping.

A) 3

B) 9

C) 0

D) 6

21 / 25

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

A) 6,65<5,5

B) -6<-5

C) -6,65<5,5

D) -6,65<-5,5

22 / 25

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

A) 76

B) 64

C) 100

D) 144

23 / 25

0,09 sonining arifmetik kvadrat ildizini toping:

A) 0,03

B) 0,3

C) 0,003

D) 3

24 / 25

4 : 9 sonining 1 : 2 soniga yaqinlashishining absalyut xatoligini toping:

A) -1/18

B) 1/18

C) 1/16

D) 1/15

25 / 25

Tengsizliklarni hadma-had ko’paytiring: 3,2>3,1 va 3>2

A) 9,6>6

B) -9,6<-6,2

C) 9,6>6

D) 9,6>6,2

Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

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