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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

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

A) x=3

B) x=5

C) x=-3

D) x=-5

2 / 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) 72

C) 20

D) 26

3 / 25

Tenglmalar sistemasini yeching.

A) x=1, y=2

B) x=-2, y=1

C) x=2, y=1

D) x=2, y=-1

4 / 25

x ning qanday qiymatlarida kasrdan katta bo`ladi?

A) x<3/16

B) x<-3/16

C) x>-1/16

D) x>1/16

5 / 25

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

A) 1/3; 1/2

B) 15/8

C) 15/15

D) 1/2; 1/2

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) 91

B) 87

C) 95

D) 81

7 / 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

8 / 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=-1

D) x=2

9 / 25

Tengsizlikni yeching:

A) x>15

B) x>-0,35

C) x>0,35

D) x<-15

10 / 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) -3

C) 2

D) 0

11 / 25

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

A) x=-6

B) x=6

C) x=-7

D) x=7

12 / 25

Tenglmalar sistemasini yeching.

A) x=-6, y=2

B) x=6, y=-2

C) x=2, y=-6

D) x=-2, y=6

13 / 25

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

A) tegishli

B) tegishli emas

14 / 25

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

A) 3

B) -3

C) -2

D) 3

15 / 25

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

A) x=1

B) x=0

C) x=4

D) x=2

16 / 25

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

A) 180(n-3)

B) 180(n-2)

C) 180(n-2)/n

D) n-2/n

17 / 25

Ta`rifni davom ettiring. y=x²funksiyada..

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

B) chiziqli funksiya

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

D) TJY

18 / 25

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

A) Parallelogramm

B) Trapetsiya

C) Romb

D) Kvadrat

19 / 25

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

A) 9

B) -5

C) 3

D) 5

20 / 25

Tenglamalar sistemsini yechishning necha xil usuli bor.

A) 4 xil

B) 3 xil

C) 2 xil

D) 1 xil

21 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 20

B) 9

C) 18

D) 9

22 / 25

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

A) (3;5)

B) (1;11)

C) (-1;4)

D) (2;10)

23 / 25

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

A) grafikli

B) chiziqli

C) formulali

D) jadvalli

24 / 25

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

A) 35

B) 20

C) 18

D) 19

25 / 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

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