Amallarni bajaring: (-4)∙((-42): 6-(-12)∙

7-sinf yakuniy nazorat ishi.

1)Ikki sonning yig`indisi 12ga , EKUBi 1ga , EKUK i 35ga teng bo`lsa, bu sonlar kvadratining yig`indisini toping.

A)74 B)100 C)500 D)250

2)Agar bo`lsa =?

A)2 B)3 C)6 D)10

3) bo`lsa, =?

A) B) C) D)

4)-1-(-2)+(-3)-(-4)+…-(-98)+(-99)-(-100)=?

A)100 B)1000 C)50 D)25

5) Yangi rusumli traktor maydonni 4 kunda, eski traktor esa shu maydonni 6 kunda haydaydi . Maydonni 2 ta yangi va 3 ta eski rusumli traktorlar qancha vaqtda haydaydi ?

A)1 B)2 C)3 D)4

6) Kitob betlarini sahifalash uchun 796 ta raqam ishlatiladi.Nomerlash 3-sahifadan 3 raqamidan boshlanadi . Kitb necha betlik ?

7) ax=by=cz=6 va x+y+z=36 bo`lsa, ifodaning son qiymatini toping?

A)6 B)216 C) D)

8) Ko`paytuvchilarga ajrating:

4a(x-y)+4az+7b(y-x-z)=

A)(x-y+z)(7b-4a) B)(y-x-z)(7b+4a)

C)(x-y-z)(4a-7b) D)(x-y+z)(4a-7b)

9) Ifodani soddalashtiring va natijani hisoblang.

(a-5)(2a+3)-2(3a-1)(a-1)= bu yerda a= -2

A) -35 B) 18 C) -23 D) -27

10) Soddalashtiring: (18a⁴+21a²): 3a²-5a(2a+ ) =

A) 2-4a² B) 2-8a²+5a C) 4-16a² D) 2+4a²

11) Kasrni qisqartiring: ;

A) B)

C) D) ;

12) ni soddalashtiring

A) 7 B) 8 C) D)

13) ni hisoblang.

A) B) C) D)

14) ifodani

x= -2 dagi qiymatini toping.

A)10 B)3 C)-26 D)-10

15) Hech bir uchtasi bir to‘g‘ri chiziqda yotmaydigan 8 ta nuqtani juft-juft qilib olib nechta to‘g‘ri chiziq o‘tkazish mumkin?

A) 24 B) 26 C) 56 D) 28 16). Burchakning bissektrisasi uning tomoni bilan 45⁰ li burchak tashki etsa, burchakning o’zini toping.

A) 15⁰ B) 60⁰ C) 90⁰ D) 22,5⁰

17) Ikkita to’g’ri chiziqining kesishishidan hosil bo’lgan burchaklardan uchtasining yig’indisi 315⁰ ga teng. Shu burchaklardan kichigini toping.

A) 85⁰ B) 70⁰ C) 45⁰ D) 60⁰

18) AD va BC to‘g‘ri chiziqlar O nuqtada kesishadi. AOB burchak ichida M nuqta berilgan, COD burchak ichida esa K nuqta berilgan. Agar bo‘lsa, AOK burchakni toping.

A) B) C) D)

19) Teng yonli uchburchakning tomonlari 29 smva 59 sm. Perimetrini toping.

A)117 B) 147 C) 117 yoki 147 D) to`g`ri javob yoq

20) uchburchakning burchaklaridan biri ikkinchisidan ortiq, uchichisidan kam ekanligi ma`lum bo`lsa, bu uchburchakning burchaklariga ko`ra turini aniqlang

A) o`tkir burchakli B) o`tmas burchakli

C) to`gri burchakli D) aniqlab bo`lmaydi

21)Uchburchakning ikki tashqi burchagi 120^o va 135^o bo`lsa, ichki burchaklarini toping.

A)60^o;45^o;75^o B)90^o;45^o;45^o

C)24^o;36^o;90^o D)javob yo`q

22) d₁//d₂ bo’lsa,berilgan shaklga ko’ra x=?

А) 40°

В) 50°

С) 60°

D) 70°

23) Uchburchakning ikki burchagi o`zaro 1:2 kabi nisbatda, uchichi burchagi esa shu burchaklarning kichgidan ga katta. Uchburchakning eng katta burchagini toping.

A) B) C) D)

24) ifodaning son qiymatini shart bo`yicha toping.

25) Teng yonli uchburchakning asosidagi tashqi burchagi o`ziga qo`shni ichki burchagidan ga katta. Uchburchakning uchidagi burchagi kattaligini aniqlang.