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8-sinf Matematika 2-chorak

InfoMaster

Aprel 20, 2021

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OMAD YOR BO'LSIN!

8-sinf Matematika 2-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 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

2 / 25

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

A) 15/15

B) 1/3; 1/2

C) 1/2; 1/2

D) 15/8

3 / 25

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

A) x=-1

B) x=-2

C) x=1

D) x=2

4 / 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) 5

B) -4

C) 6

D) -5

5 / 25

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

A) 0

B) 1

C) -3

D) 2

6 / 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

7 / 25

Tengsizlikni yeching:

A) x<-15

B) x>-0,35

C) x>15

D) x>0,35

8 / 25

Tenglmalar sistemasini yeching.

A) x=-2, y=6

B) x=6, y=-2

C) x=-6, y=2

D) x=2, y=-6

9 / 25

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

A) x>6

B) x<-6

C) x<6

D) x>-6

10 / 25

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

A) x=3

B) x=-5

C) x=5

D) x=-3

11 / 25

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

A) x=1

B) x=3

C) x=-1

D) x=-2

12 / 25

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

A) -3

B) 3

C) 3

D) -2

13 / 25

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

A) (-1;4)

B) (2;10)

C) (1;11)

D) (3;5)

14 / 25

S(t)=60t funksiya berilgan bo'lsa, S(3) ni toping.

A) 30

B) 180

C) 20

D) 90

15 / 25

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

A) 100˚

B) 120˚

C) 90˚

D) 60˚

16 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 9

B) 18

C) 20

D) 9

17 / 25

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

A) 0, 0, -2;

B) 1, 0, 0;

C) 1, 4, 0;

D) 1, 4, -2.

18 / 25

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

A) Parallelogramm

B) Romb

C) Kvadrat

D) Trapetsiya

19 / 25

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

A) romb

B) trapetsiya

C) parallelogramm

D) kvadrat

20 / 25

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

A) x=0

B) x=2

C) x=1

D) x=4

21 / 25

Quyidagilardan qaysi biri chiziqli funksiyaga misol bo'ladi?

A) y=250

B) y=2x²+3

C) y=2x+5

D) y=3x²

22 / 25

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

A) (0;5)

B) (3;-1)

C) (1;-3)

D) (-2;9)

23 / 25

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

A) Uchburchak

B) Trapetsiya

C) Parallelogramm

D) Romb

24 / 25

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

A) tegishli

B) tegishli emas

25 / 25

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

A) -5

B) 5

C) 3

D) 9

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