Barcha fanlardan online testlar

8-sinf Matematika 2-chorak

InfoMaster

Aprel 20, 2021

1188 Ko'rishlar 0

SaqlashSaqlanganOlib tashlandi 1

OMAD YOR BO'LSIN!

Tomonidan yaratilgan InfoMaster

8-sinf Matematika 2-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 25

Ta`rifni davom ettiring. y=x²funksiyada..

A) chiziqli funksiya

B) TJY

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

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

2 / 25

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

A) 100˚

B) 90˚

C) 60˚

D) 120˚

3 / 25

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

A) 5

B) 3

C) 9

D) -5

4 / 25

106 ni kvadirati toping.

A) 1234

B) 11225

C) 11236

D) 1236

5 / 25

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

A) tegishli

B) tegishli emas

6 / 25

Qavariq n burchak ichki burchaklarning yig`indisi qaysi formula yordamida topiladi?

A) 180(n-2)

B) n-2/n

C) 180(n-2)/n

D) 180(n-3)

7 / 25

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

A) chiziqli

B) formulali

C) jadvalli

D) grafikli

8 / 25

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

A) y=6

B) y=3

C) y=9

D) y=1/3

9 / 25

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

A) Romb

B) Uchburchak

C) Parallelogramm

D) Trapetsiya

10 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 360˚

B) 180˚

C) 540˚

D) 720˚

11 / 25

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

A) 19

B) 35

C) 18

D) 20

12 / 25

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

A) -2

B) 3

C) 3

D) -3

13 / 25

Ta'rifni to'ldiring. Ikala tamoni parallel, qolgan tamonlari parallel bo'lmagan to'rtburchak .... deb ataladi.

A) trapetsiya

B) kvadrat

C) romb

D) parallelogramm

14 / 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) 36

D) 23

15 / 25

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

A) 1

B) 2

C) -3

D) 0

16 / 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) 72

D) 20

17 / 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

18 / 25

Tenglmalar sistemasini yeching.

A) x=2, y=-1

B) x=-2, y=1

C) x=2, y=1

D) x=1, y=2

19 / 25

(x,y ) sonlar juftligi $\left\{\begin{matrix} {7x-8y=10} & \\ {2x+y=-7} & \end{matrix}\right.$ sistemaning yechimi bo`lsa, y*x ni aniqlang

A) -4

B) 5

C) -5

D) 6

20 / 25

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

A) x=5

B) x=3

C) x=-5

D) x=-3

21 / 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

22 / 25

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

A) x=1

B) x=-1

C) x=-2

D) x=3

23 / 25

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

A) x=-6

B) x=-7

C) x=7

D) x=6

24 / 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) xϵø

D) x>-3

25 / 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) 900 so`m, 200 so`m

B) 800 so`m, 300 so`m

C) 950 so`m, 150 so`m

D) 750 so`m, 350 so`m