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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

Tenglmalar sistemasini yeching.

A) x=2, y=-6

B) x=6, y=-2

C) x=-2, y=6

D) x=-6, y=2

2 / 25

Tengsizlikni yeching:

A) x>15

B) x>-0,35

C) x>0,35

D) x<-15

3 / 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) 6

B) -5

C) 5

D) -4

4 / 25

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

A) x=7

B) x=-6

C) x=6

D) x=-7

5 / 25

Tenglamani yeching: 2x+1=3

A) 3

B) 1

C) 0,5

D) 2

6 / 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

7 / 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) 0

D) 2

8 / 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) 20

B) 36

C) 26

D) 72

9 / 25

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

A) x=5

B) x=3

C) x=-3

D) x=-5

10 / 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) 95

C) 87

D) 91

11 / 25

Tenglmalar sistemasini yeching.

A) x=2, y=1

B) x=1, y=2

C) x=2, y=-1

D) x=-2, y=1

12 / 25

x ning qanday qiymatlarida kasrdan katta bo`ladi?

A) x<-3/16

B) x>1/16

C) x>-1/16

D) x<3/16

13 / 25

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

A) Uchburchak

B) Romb

C) Trapetsiya

D) Parallelogramm

14 / 25

106 ni kvadirati toping.

A) 11236

B) 1234

C) 1236

D) 11225

15 / 25

Funksiyalar qanday usullarda beriladi.

A) formula, jadval

B) sistema, jadval, grafik

C) formula, jadval, grafik

D) formula, jadval, sistema

16 / 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

17 / 25

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

A) n-2/n

B) 180(n-2)/n

C) 180(n-2)

D) 180(n-3)

18 / 25

Qavariq 18 burchakning tomonlari sonini toping.

A) 9

B) 18

C) 9

D) 20

19 / 25

Tenglamalar sistemsini yechishning necha xil usuli bor.

A) 1 xil

B) 2 xil

C) 4 xil

D) 3 xil

20 / 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

21 / 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

22 / 25

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

A) Trapetsiya

B) Parallelogramm

C) Romb

D) Kvadrat

23 / 25

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

A) jadvalli

B) chiziqli

C) formulali

D) grafikli

24 / 25

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

A) 30

B) 90

C) 20

D) 180

25 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 180˚

B) 540˚

C) 360˚

D) 720˚

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