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8-sinf Matematika 2-chorak

InfoMaster

Aprel 20, 2021

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8-sinf Matematika 2-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 25

Quyidagilardan qaysi biri chiziqli funksiyaga misol bo'ladi?

A) y=2x²+3

B) y=250

C) y=3x²

D) y=2x+5

2 / 25

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

A) 1, 0, 0;

B) 1, 4, -2.

C) 0, 0, -2;

D) 1, 4, 0;

3 / 25

Ta`rifni davom ettiring. y=x²funksiyada..

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

B) TJY

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

D) chiziqli funksiya

4 / 25

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

A) x=0

B) x=4

C) x=2

D) x=1

5 / 25

106 ni kvadirati toping.

A) 1236

B) 1234

C) 11225

D) 11236

6 / 25

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

A) 3

B) -5

C) 5

D) 9

7 / 25

Tenglamalar sistemsini yechishning necha xil usuli bor.

A) 3 xil

B) 2 xil

C) 4 xil

D) 1 xil

8 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 180˚

B) 360˚

C) 540˚

D) 720˚

9 / 25

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

A) Kvadrat

B) Trapetsiya

C) Parallelogramm

D) Romb

10 / 25

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

A) formulali

B) grafikli

C) jadvalli

D) chiziqli

11 / 25

Tengsizlikni yeching:

A) x>15

B) x>-0,35

C) x>0,35

D) x<-15

12 / 25

Tengsizlikni yeching: 5(x-3)+2x<4x+3

A) x<-6

B) x<6

C) x>-6

D) x>6

13 / 25

Tenglamani yeching: 2x+1=3

A) 1

B) 3

C) 2

D) 0,5

14 / 25

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

A) x<3,2

B) x<-3,2

C) x>3,3

D) x>-3,3

15 / 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) 81

B) 87

C) 91

D) 95

16 / 25

Tenglmalar sistemasini yeching.

A) x=2, y=1

B) x=2, y=-1

C) x=-2, y=1

D) x=1, y=2

17 / 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) 950 so`m, 150 so`m

C) 900 so`m, 200 so`m

D) 800 so`m, 300 so`m

18 / 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

19 / 25

Tenglmalar sistemasini yeching.

A) x=-6, y=2

B) x=-2, y=6

C) x=6, y=-2

D) x=2, y=-6

20 / 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) 6

D) 5

21 / 25

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

A) x=-2

B) x=2

C) x=1

D) x=-1

22 / 25

x ning qanday qiymatida funksiyaning qiymati 1 ga teng bo’ladi

A) 15/15

B) 15/8

C) 1/2; 1/2

D) 1/3; 1/2

23 / 25

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

A) x=1

B) x=-2

C) x=-1

D) x=3

24 / 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) 26

B) 36

C) 20

D) 72

25 / 25

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