8-sinf Matematika 3-chorak

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8-sinf Matematika 3-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 25

Aylanani 2:7 nisbatda bo’luvchi vatarning uchlaridan ikkita urinma o’tkazilgan. Hosil bo’lgan uchburchakning burchaklarini toping ( gradusda ).

A) 60, 40 , 100

B) 40, 90 , 200

C) 40, 40 , 100

D) 90, 40 , 60

2 / 25

Agar to’g’ri to’rtburchakning tomonlari 4 marta orttirilsa, uning yuzi necha marta ortadi?

A) 16

B) 4

C) 32

D) 8

3 / 25

n ning quyidagi tengsizlikni qanoatlantiruvchi butun sondan iborat eng katta qiymatini toping: n≤3

A) n=-3

B) n=3

C) n=2

D) n=-2

4 / 25

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

A) 0,385

B) 0,538

C) 0,835

D) 0,853

5 / 25

To’g’ri to’rtburchakning yuzi 400 ga,tomonlarining nisbati 4:1 ga teng. Shu to’g’ri to’rtburchakning perimetrini toping

A) 80

B) 100

C) 120

D) 200

6 / 25

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

A) 9

B) 6

C) 0

D) 3

7 / 25

1/125 ni o’nli davriy kasr ko’rinishida tasvirlang:

A) 0,8

B) 0,5

C) 0,08

D) 0,008

8 / 25

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

A) 1, 4, 0;

B) 0, 0, -2;

C) 1, 4, -2.

D) 1, 0, 0;

9 / 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

10 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 18

B) 20

C) 9

D) 9

11 / 25

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

A) Parallelogramm

B) Trapetsiya

C) Romb

D) Uchburchak

12 / 25

Tenglamalar sistemsini yechishning necha xil usuli bor.

A) 3 xil

B) 2 xil

C) 4 xil

D) 1 xil

13 / 25

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

A) (-2;9)

B) (0;5)

C) (3;-1)

D) (1;-3)

14 / 25

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

A) grafikli

B) formulali

C) jadvalli

D) chiziqli

15 / 25

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

A) Kvadrat

B) Parallelogramm

C) Romb

D) Trapetsiya

16 / 25

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

A) y=6

B) y=1/3

C) y=9

D) y=3

17 / 25

7x+5 $\geq$ 3(x-1)-4x tengsizlikning yechimi bo`ladigan eng kichik butun sonni toping.

A) x=2

B) x=1

C) x=-2

D) x=-1

18 / 25

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

A) x=7

B) x=-6

C) x=6

D) x=-7

19 / 25

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

A) x=3

B) x=-3

C) x=5

D) x=-5

20 / 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) 800 so`m, 300 so`m

D) 950 so`m, 150 so`m

21 / 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

22 / 25

Tengsizlikni yeching:

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

A) x>1

B) x<-1

C) x>-1

D) x<-6

23 / 25

Tenglmalar sistemasini yeching.

A) x=2, y=-6

B) x=-6, y=2

C) x=6, y=-2

D) x=-2, y=6

24 / 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) 95

B) 81

C) 87

D) 91

25 / 25

Tengsizlikni yeching:

A) x>0,35

B) x>15

C) x<-15

D) x>-0,35

8-sinf Matematika 3-chorak

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Baholash mezoni

86%-100% 5 baho

71%-85% 4 baho

56%-70% 3 baho

55% va kamiga 2 baho

Author: InfoMaster

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