8-sinf Matematika 4-chorak

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8-sinf Matematika 4-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 25

Ikki soning ayirmasi 3 ga, ularning ko`paytmasi 28 ga teng. Shu sonlarni toping

A) 7 va 14

B) 17 va 14

C) 7 va 4

D) 5 va 2

2 / 25

Tenglamani yeching $x^{4}-4x^{2}-5=0$

A) x₁,₂=±√5 , x₃,₄=1

B) x₁,₂=±5

C) x₁,₂=±√5

D) x₁,₂=1 , x₃,₄=-1

3 / 25

Kvadrat tenglamani yeching $12x^{2}+7x+1=0$

A) x₁=-1/3, x₂=-1/4

B) x₁=-1/3, x₂=1/4

C) x₁=1/3, x₂=1/4

D) x₁=0, x₂=-1

4 / 25

Kvadrat tenglamani yeching $6x^{2}-5x+1=0$

A) x₁=1/3, x₂=1/2

B) x₁=-1/3, x₂=1/2

C) x₁=0, x₂=-1

D) x₁=1/3, x₂=-1/2

5 / 25

Tenglmalar sistemasini yeching.

A) x=2, y=-6

B) x=-6, y=2

C) x=6, y=-2

D) x=-2, y=6

6 / 25

4 ga bo`lganda 3 qoldiq, 10 ga bo`lganda 1 qoldiq chiqadigan va ikkinchi bo`linma birinchi bo`linmadan 13 ta kam bo`ladigan natural sonni toping.

A) 87

B) 95

C) 81

D) 91

7 / 25

x ning qanday qiymatlarida kasrdan katta bo`ladi?

A) x>1/16

B) x<3/16

C) x<-3/16

D) x>-1/16

8 / 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) 36

B) 26

C) 20

D) 72

9 / 25

Tengsizlikni yeching:

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

A) x<-1

B) x<-6

C) x>-1

D) x>1

10 / 25

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

A) x<-3,2

B) x>-3,3

C) x>3,3

D) x<3,2

11 / 25

Quyidagilardan qaysi biri chiziqli funksiyaga misol bo'ladi?

A) y=2x+5

B) y=250

C) y=3x²

D) y=2x²+3

12 / 25

y=kx+4 funksiya grafigi M(1;1) nuqtadan o`tishi mumkin bo`lsa, k ni toping.

A) 3

B) -2

C) -3

D) 3

13 / 25

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

A) (1;-3)

B) (0;5)

C) (3;-1)

D) (-2;9)

14 / 25

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

A) 5

B) -5

C) 9

D) 3

15 / 25

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

A) Parallelogramm

B) Trapetsiya

C) Romb

D) Uchburchak

16 / 25

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

A) 20

B) 18

C) 23

D) 36

17 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 180˚

B) 360˚

C) 720˚

D) 540˚

18 / 25

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

A) tegishli

B) tegishli emas

19 / 25

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

A) Romb

B) Parallelogramm

C) Trapetsiya

D) Kvadrat

20 / 25

Ta`rifni davom ettiring. y=x²funksiyada..

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

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

C) chiziqli funksiya

D) TJY

21 / 25

x₁=4,92 son x₂=4,9 bo’lsa, yaqinlashish xatoligini toping?

A) 0,02

B) 0,9

C) 0,09

D) 0,8

22 / 25

17 : 25 sonini 0,1 gacha aniqlikda o’nli kasr ko’rinishida tasvirlang:

A) 0,7

B) 0,5

C) 0,8

D) 0,9

23 / 25

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

A) 3

B) 9

C) 0

D) 6

24 / 25

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

A) -1/18

B) 1/16

C) 1/18

D) 1/15

25 / 25

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

A) 100

B) 144

C) 76

D) 64

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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