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8-sinf Matematika 2-chorak

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Aprel 20, 2021

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8-sinf Matematika 2-chorak

Testni Shirinboyev Temur tayyorladi.

1 / 25

Olti burchakning ichki burchaklari yig`indisini toping.

A) 720˚

B) 360˚

C) 540˚

D) 180˚

2 / 25

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

A) 1, 0, 0;

B) 0, 0, -2;

C) 1, 4, -2.

D) 1, 4, 0;

3 / 25

To'g'ri to'rtburchakning perimetri 66 smga teng eni esa 15 sm. Shu to'rtburchakning bo'yini toping?

A) 23

B) 20

C) 18

D) 36

4 / 25

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

A) 20

B) 180

C) 90

D) 30

5 / 25

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

A) kvadrat

B) trapetsiya

C) romb

D) parallelogramm

6 / 25

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

A) x=4

B) x=1

C) x=0

D) x=2

7 / 25

To'rtburchak tomonlari 6mm, 8mm, 10mm va 1sm ga teng. Shu to`rtburchakning perimetrini toping.

A) 35

B) 34

C) 25

D) 24

8 / 25

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

A) Trapetsiya

B) Parallelogramm

C) Uchburchak

D) Romb

9 / 25

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

A) tegishli emas

B) tegishli

10 / 25

106 ni kvadirati toping.

A) 1234

B) 11236

C) 11225

D) 1236

11 / 25

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

A) 180(n-2)/n

B) 180(n-3)

C) 180(n-2)

D) n-2/n

12 / 25

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

A) y=1/3

B) y=6

C) y=3

D) y=9

13 / 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) Trapetsiya

D) Parallelogramm

14 / 25

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

A) -3

B) -2

C) 3

D) 3

15 / 25

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

A) 9

B) 3

C) 5

D) -5

16 / 25

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

A) x>-3,3

B) x<-3,2

C) x<3,2

D) x>3,3

17 / 25

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

A) xϵø

B) x>-3

C) x>-3

D) x<3

18 / 25

Tenglamani yeching: 2x+1=3

A) 0,5

B) 2

C) 1

D) 3

19 / 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

20 / 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) 950 so`m, 150 so`m

B) 750 so`m, 350 so`m

C) 800 so`m, 300 so`m

D) 900 so`m, 200 so`m

21 / 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

22 / 25

Tengsizlikni yeching:

A) x>15

B) x>-0,35

C) x<-15

D) x>0,35

23 / 25

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

A) x=-7

B) x=7

C) x=6

D) x=-6

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) 36

B) 26

C) 20

D) 72

25 / 25

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