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

10) Tenglamaning kichik ildizini katta ildiziga nisbatini toping:

A) 1/3 B) 3 C) -3 D) -1

11) Yog`och tayyorlashda ishchilarning uch brigadasi ishladi. Birinchi brigadada hamma brigadadagi ishchilarning 0,36 qismi, ikkinchi brigadada birinchidagidan 72 kishi ortiq, qolgan 124 kishi uchichi brigadada. Ikkinchi brigadada nechta kishi bo`lgan?

A)700 B) 252 C) 324 D) 400

12) Birhadni standart shaklda yozing:

- (a²)³b⁵( )(a²b⁴)⁴=

13) Tenglamani yeching :

A) 4 B) 0 C) – 4 D) 0;4

14) Perimetri 39 sm ga teng bo`lgan teng yonli uchburchakning tomonlaridan biri 19 sm. Qolgan tomonlarini toping.

A) 10;10 B) 10;1 C) 19; 1 D) 10;10 yoki 19;1

15) 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

16) Uchburchak tomonlariga o`tkazilgan o`rta perpendikularlar uchburchak tashqarisidagi bir nuqtada kesishadi kesishadi. Bu uchburchakning burchaklariga ko`ra turini aniqlang

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

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

17) ABC uchburchakning BC tomoniga o‘tkazilgan o‘rta perpendikulyar AC tomonni D nuqtada kesib o‘tadi.Agar BD=24 sm, AD=15 sm bo‘lsa,AC nimaga teng?

A) 15 B) 12 C) 39 D)27

18) Ikki parallel to`g`ri chiziqni uchinchi to`g`ri chiziq kesib o`tganda hosil bo`lgan bir juft mos burchaklar yig`indisi ga teng bo`lsa, bir tomonli burchaklar ayirmasi neha gradusga teng bo`ladi?

A)34 B) 146 C) 112 D)0

19) ABC uchburchakning A uchidan o`tkazilgan bissektrisa BC tomonni D nuqtada kesib o`tadi. D nuqtadan otkazilgan to`g`ri chiziq AC tomonni E nuqtada kesib o`tadi. Agar AE=ED bo`lib, = bo`lsa, ni toping.

A) B) C) D)

2 0) Rasmdagi no`malum burchaklarni toping.
a) b)

c) d)

21) Mos tomonlari parallel bo`lgan ikkita burchaklar ayirmasi ekanligi ma`lum bo`lsa, shu burchaklarning o`rtacha arifmetik qiymatini toping.

22) Burchak bissektrisasi uning tomoni bilan li burchak hosil qiladi. Berilgan burchakka qo`shni bo`lgan burchakni toping.

23) O‘ziga qo‘shni bo‘lgan burchak kattaligining 44% teng bo‘lgan burchak kattaligini toping.

A) 125 B) 55 C) 35 D) 45

24).Kvadrating ikki qarama qarshi tomonining har biri a 3sm ga uzaytirildi , qolgan ikki tomoni esa shuncha sm ga qisqartirildi . Kvadratning yuzi qanday o`zgaradi .

25) Ikki to`g`ri chiziqning parallellik alomatlarini izohlang.

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

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

2) Tenglamani yeching. x² +8x=0

A) x_1,2=9 B) x_1,2=3 C) x₁=9, x₂=0 D) x₁=-8, x₂=0

3) To’g’ri to’rtburchakning yuzi S ga teng , asosi a ga teng .Uning perimetrini toping?

A) B) C) D)

4) Chinni idishning narxi 200 so’mga arzonlashdi, so’ngra yangi narx ham 10% ga arzonlashdi va endi idish 900 so’mdan sotila boshlandi . Idishning dastlabki narxi necha so’m edi.

A) 1000 so’m B) 1200 so’m C) 1100 so’m D) 1300 so’m

5) Tenglamani yeching:

A)-1 B)1 C)2 D) 1,5

6) Tenglamani yeching: (3x+2)²-(3x-4)²=132

A)4 B)3 C)-5 D)-4

7) ifodani

x=-2 dagi qiymatini toping.

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

708

8) Ko`paytirishni bajaring; (a-b-c)(a+b+c)=

A) B)

C) D)

9) Ifodaning son qiymatini toping: a³-a²b-3a+3b, bunda a=2,5;b=-1,5.

A)3,25; B)13 C)-13 D)5

10) Ifodani soddalashtiring:

A) B) C) D)

11) Ko`paytirishni bajaring:

(a-b)(a+b)

A) B) C) D)

12) n sonining 60% ga ortirilgani, shu sonning 60% ga kamaytirilganidan necha % ortiq?

13) Bir ishni 57 kishi 45 kunda bajarishi mumkin. Ishni tezroq bitkazish uchun 15 kundan keyin yana bir necha kishini jalb qilishdi. Shunda ish mo'ljaldagidan 12 kun avval bitkazildi. Ishga qo'shimcha necha kishi jalb qilingan edi?

a) 95 b) 130 c) 38 d) 10

14) Quyidagi mulohazalardan to`g`risini toping.

A) Qo`shni burchaklar yoyiq burchak bo`ladi.

B) Agar AB =5sm, BC = 6sm bo`lsa, AC= 11 sm bo`ladi.

C) Agar burchak lar teng bo`lsa, ular vertikal burchaklar bo`ladi.

D) Agar ikkita burchak teng bo`lsa, ularga qo`shni bo`lgan burchaklar ham teng bo`ladi.

15).Uchburchakning 2 ta burchagi qiymatlarning nisbati 1:2 kabi.Uchinchi burchagi shu burchaklarning kichigidan 40˚ga katta.uchburchakning katta burchagini toping

A)105˚ B)75˚ C)80˚ D)90˚

16) .Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan uchtasining yig`indisi ga teng burchaklardan kichigini toping.

a) b) c) d)

17) Teng yonli uchburchakning perimetri 48sm,asosi yon tomonidan 12 sm uzun. Uchburchakning eng uzun tomoni uzunlugini toping.

18) Uchburchakning birinchi tomoni x (x >7) sm , ikkinchi tomoni undan 4 sm qisqa , uchinchi tomoni esa birinchisidan 3 sm uzun .Shu uchburchakni peremetrini toping.

a)3x-1 b)3x+4 c)3x-3 d)3x+7

19) Ikkita to’g’ri chiziqning kesishidan hosil bo’lgan qo’shni burchaklar 5:7 nisbatda bo’lsa , shu burchaklarni toping.

a)36⁰;144⁰ b)75⁰;105⁰ c)42⁰;138⁰ d)38⁰;142⁰

20) To’rtburchakning burchaklaridan biri to’g’ri burchak , qolganlari esa o’zaro 4:3;2 nisbatda . To’rtburchakning kichik burchagini toping .

a)30⁰ b)45⁰ c)50⁰ d)60⁰

21) a//b bo`lsa ,x=?

A)35^o B)45^o C)25^o D)20^o

22) 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

23) 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)

24)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

25) ABC uchburchak BD bissektrisasi AC tomonni li burchak ostida kesadi. Agar BD=BC bo`lsa , uchburchakning eng kichik tomoni qarshisidagi burchakni toping.

1) Ifodaning son qiymatini toping: a³-a²b-3a+3b, bunda a=2,5;b=-1,5.

A)3,25; B)13 C)-13 D)5

2) Tenglamani yeching:36x²-(4-6x)²=56

A)-1 B)1 C)2 D) 1,5

3) Tenglamani yeching: (3x+2)²-(3x-4)²=132

A)4 B)3 C)-5 D)-4

4) Ko’paytuvchilarga ajrating:

A)(4a-5b)²(4a+5b); B) (2a+3b)(4a²+6ab+9b²). C)(4a)³-(5b)³; D)(4a+5b)(16a²-20ab+25b²);

5)Ko’paytuvchilarga ajrating: (a²+25)²-100a².

A)(a-5)³(a+5); B)(a-5)(a+5)³

C)(a-5)²(a+5); D)(a-5)²(a+5)².

6) Hisoblang: (53³+47³):(53²-53·47+47²)

A)6; B)100; C)600; D)53²+47²;

7). ifoda n ning nechta natural qiymatida natural son bo`ladi

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

8) . Xodani uch bo’lakka bo’lish uchun 18 minut kerak. Shu xodani 4 bo’lakka bo’lish uchun qancha vaqt ketadi?

A) 42 B) 36 C) 24 D) 27

9) To’g’ri burchakli uchburchakning to’g’ri burchagidan bissektrisa va balandlik chiqarilgan bo’lib ular orasidagi burchak 24˚ gat eng.Uchburchakning kichik burchagini toping.

A)21˚ B)24˚ D)36˚ E)16˚

10) P(x)=x -4x²+6x-3 ko’phadni (x-1) ikki hadga bo’lgandagi qoldiqni toping

A) x B) -3 C) 0 D) 1

11) Agar a+ bo`lsa, ifodaning son qiymatini toping.

12) Birinchi kvadratning tomoni ikkinchi kvadrat tomonidan 3 sm uzun, yuzi esa 21 sm ortiq. Birinchi kvadrat perimetrining ikkinchi kvadrat perimetriga nisbatini toping.

a) 0,4 b) 2,5 c) 5 d) 2

12) Hisoblang:

a) 2 b) 1 c) -2 d) 0

13) Agar bo’luvchi x-6 ga, bo’linma x-4 ga va qoldiq -9 ga teng bo’lsa, bo’linuvchini toping.

A) B)

C) D)

14) ABCD to`g`ri to`rtburchakning A va D burchaklari bissektrisalari BC tomonni 3 ta teng qismga ajratadi. Agar to`g`ri to`rtburchakning tomonlari butun sonlardan iborat bo`lib, AB= 6 bo`lsa,uning pirimetrini toping.

A) 24 B) 36 C) 48 D) 88

15) Teng yonli uchburchakning perimetri 48sm,asosi yon tomonidan 12 sm uzun. Uchburchakning eng uzun tomoni uzunlugini toping.

16) ABC uchburchak BD bissektrisasi AC tomonni li burchak ostida kesadi. Agar BD=BC bo`lsa , uchburchakning eng kichik tomoni qarshisidagi burchakni toping.

17) To`g`ri chiziqda A va B nuqtalar berilgan. Shu to`g`ri chiziqda C nuqta shunday tanlandiki AC=3AB bo`lib, AB=6 sm bo`lsa, BC kesma uzunligini toping.

18) Quyidagi mulohazalardan to`g`risini toping.

A) Qo`shni burchaklar yoyiq burchak bo`ladi.

B) Agar AB =5sm, BC = 6sm bo`lsa, AC= 11 sm bo`ladi.

C) Agar burchak lar teng bo`lsa, ular vertikal burchaklar bo`ladi.

D) Agar ikkita burchak teng bo`lsa, ularga qo`shni bo`lgan burchaklar ham teng bo`ladi.

19).Uchburchakning 2 ta burchagi qiymatlarning nisbati 1:2 kabi.Uchinchi burchagi shu burchaklarning kichigidan 40˚ga katta.

A)105˚ B)75˚ C)80˚ D)90˚

20) Hisoblang:

A) 9,7 B) 0,3 C) 7 D)6,7

21) O‘ziga qo‘shni bo‘lgan burchak kattaligining 44% teng bo‘lgan burchak kattaligini toping.

A) 125 B) 55 C) 35 D) 45

22) 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)

23) To‘rtta ketma-ket juft natural sonlar berilgan.Chetki sonlar yig‘indisining ikkilanganidan o‘rtadagi sonlar musbat ayirmasi uchlanganining ayirmasi 22 ga teng. Ushbu sonlarni yig`indisini toping

A) 28 B) 18 C) 16 D)14

24) Birhadni standart shaklda yozing:

- (a²)²b³(-12)(a³b⁴)³=

25) Taqqoslang: 8³⁰ va 16²²

Test 7-sinf imtihon.

1)Amallarni bajaring: (-4)∙((-42):6 - (-12)∙(-2))=

a) – 31 b) -124 c) 124 d) 31

2)Tenglamani yeching:

a) 155 b) 1 c) d) cheksiz ko‘p

3) Tenglamani yeching: 3∙(0,4x − 3)−4= 2,4-2∙(0,5+3x)

a) 0 b) 1 c) -2 d) 2

4) 7ga bo‘lganda 2 qoldiq qoladigan sonlarning umumiy ko‘rinishini yozing.

a) 7a-2 b) 6a+7 c) 6a d) 7a+2

5).Ikki qo`shni burchakning ayirmasi ga teng bo`lsa, ulardan kichigini toping.

a) b) c) d)

6) .Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan uchtasining yig`indisi ga teng burchaklardan kichigini toping.

a) b) c) d)

7) Burchak bissektrisasi uning tomoni bilan li burchak hosil qiladi. Berilgan burchakka qo`shni bo`lgan burchakni toping.

a) b) c) d)

8) Bo`lishni bajaring. =?

a)2,5 b)0,7 c) d)

9) Rasmdagi no`malum burchaklarni toping.


a)

b)

c)

d)

10) Uchta to’g’ri chiziq tekislikni eng ko’pi bilan nechta qismga ajratishi mumkin?

a) 7 b) 6 c) 5 d) 4

11) Ifodaning son qiymatini toping

7(10-x)+3(2x-1), bunda x= - 0,048

A) 68,048 B) 67,048 C) 66,048 D) 65,048

12) Tenglamani yeching (2-3x)²+(2-3x)(3x+2)=32

13) Hisoblang:

a) b) c) d)

14. Ko`paytuvchilarga ajrating: ;

A) (y+1)(y-1); B) y(y+1)(y-1); C) y(y²-y); D)y²(y-1);

15. Kasrni qisqartiring: ;

A) B)

C) D) ;

16. Teng yonli uchburchakning asosidagi burchaklaridan biri 70⁰ga teng. Qolgan burchaklarini toping.

A) 70⁰;40⁰ B) 60⁰;50⁰ C) 30⁰;70⁰ D) 80⁰;30⁰ ;

17. 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

18.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

19. d₁//d₂ bo’lsa,berilgan shaklga ko’ra x=?

А) 40°

В) 50°

С) 60°

D) 70°

20) 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

21. Peremetri 24 bo’lgan uchburchakning balandligi uni peremetrlari 14 va 18 bo’lgan ikkita uchburchakka ajratadi .Berilgan uchbuchakni balandligini toping .

A)10 B)8 C)6 D)4

22) Natural sonlar qatorida ketma-ket kelgan 3 ta sonning ko‘paytmasi quyidagi sonlardan qaysi biriga doim bo‘linadi?

a) 4 b) 8 c) 12 d) 6

23. ni soddalashtiring

A) 7 B) 8 C) D)

24) Ovchi it o'zidan 120 m naridagi tulkini quva ketdi. Tulkr 1 min da 320 m, ovchi it 350 m yugursa, it tulkini necha minutda quvib yetadi?

25. Ifodaning qiymatini toping:

A) 11 B) 10 C) 12 D) 11,5

7-III-3 1-v

1) 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

2) Teng yonli uchburchakning asosidagi burchaklaridan biri 70⁰ga teng. Qolgan burchaklarini toping.

A) 70⁰;40⁰ B) 60⁰;50⁰ C) 30⁰;70⁰ D) 80⁰;30⁰ ;

3).Ikki qo`shni burchakning ayirmasi ga teng bo`lsa, ulardan kichigini

toping.

a) b) c) d)

4) .Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan uchtasining yig`indisi ga teng burchaklardan kichigini toping.

a) b) c) d)

5) Uchburchakning tashqi burchagi 120° bo`lib, unga qo`shni bolmagan ichki burchaklarining biri ikkinchisidan 40° ga farq qiladi. Uchburchakning ichki burchaklarini hisoblang.

A) 60°, 35°, 85°. B) 40°, 50°, 90°. C) 30°, 60°, 90°. D) 40°, 80°, 60°.

6) Burchaklari o`zaro 1:2:1 kabi nisbatda bo`lgan uchburchakning turini aniqlang

A) teng yonli uchburchak

B) tog`ri burchakli uchburchak

C) tengyonli to`g`ri burchakli uchburchak

D) teng tomonli uchburchak

7 ) x=? A

a//b x

a

C
b

B

8) uchburchakning ikkita burchagi 2:3 kabi nisbatda. Uchinchisi shu burchaklarning kattasidan ga kichik. Uchburchak burchaklarini toping.

9) 30° li burchak ichidagi ixtiyoriy nuqtadan burchak tomonlariga parallel o`tkazilgan to`g`ri chiziqlar orasidagi burchakning kattasini toping.

A) 150° B) 120°. C) 130°. D) E)

10) Uchburchakning tashqi burchagi 150° bolib, unga qo`shni boimagan icbki burchaklari biri ikkinchisidan 4 marta katta. Uchburchakning burchaklari-ni aniqlang.

A) 30°, 70°, 80°. B) 30°, 60°, 90°. C) 30°, 120°, 30°. D) 30°, 80°, 70°.

7-III-3 2-v

1) qaysi uchburchak balandliklari uninbg bir uchida kesishadi

A) teng yonli uchburchak

B) tog`ri burchakli uchburchak

C) tengyonli to`g`ri burchakli uchburchak

D) teng tomonli uchburchak

2) Uchburchakning ikki ichki burchagi 70^o va 35^o bo`lsa, tashqi burchaklarini toping.

A)110^o; 145^o; 105^o B) 90^o;45^o;45^o

C) 124^o;136^o;90^o D)javob yo`q

3) Teng yonli uchburchakning uchidagi burchagi 70⁰ga teng. Qolgan burchaklarini toping.

A) 70⁰;40⁰ B) 60⁰;50⁰ C) 30⁰;70⁰ D) 55⁰;55⁰ ;

4).Ikki qo`shni burchakning ayirmasi ga teng bo`lsa, ulardan kattasini toping.

a) b) c) d)

5) .Ikki to`g`ri chiziqning kesishishidan hosil bo`lgan burchaklardan uchtasining yig`indisi ga teng burchaklardan kattasini toping.

a) 1 b) c) d)

6 ABC teng yonli ucbburchakda CD bissektrisa. ADC = 120°. Shu uchburchakning burc haklarini aniqlang.

A) 35°, 110°, 35°. B) 40°, 100°, 40°. C) 45°, 90°, 45°.

D) 50°, 80°, 50°. E) 60°, 60°, 60°.

7 ) x=? a

b

a//b

x

8) uchburchakning ikkita burchagi 1:2 kabi nisbatda. Uchinchisi shu burchaklarning kichigidan ga katta. Uchburchak burchaklarini toping.

9) To`g`ri burchakli uchburchakmng o`tkir burchagi bissektrisalari kesishib hosil qilgan burchaklami toping.

A) 60°, 120°. B) 50°, 130°. C) 35°, 145°.

D) 45°, 135°.

10) Uchburchakning tashqi burchagi 160° bolib, unga qo`shni boimagan ichki burchaklari biri ikkinchisidan 3 marta katta. Uchburchakning burchaklarini aniqlang.

A) 30°, 70°, 80°. B) 30°, 60°, 90°. C) 40°, 120°, 20°. D) 30°, 80°, 70°.

Yozma ish 7 IV ch 1 I – variant

1) Kasrni qisqartiring:
a) c)
b) d) =
2) Ifodani soddalashtiring:
a) b)
c)

d)

3) Hisoblang:
=
4) Agar sonni 9 ga bo`lganda 1 yoki 8 qoldiq qolsa, bunday sonni kvadratini 9 ga bo`lganda 1 qoldiq qolishini isbotlang.
5) do`kondagi jami shakar 0,96 tonna bo`lib, birinchi kuni ikkinchi kuni qolganing qismi, uchinchi kuni qolganing qismi, to`rtinchi kuni qolgan barcha shakar sotib bo`lingan bo`lsa, ikkinchi va uchinchi kunlari jami qancha shakar sotilgan?
Yozma ish 7 IV ch 1 II – variant

1) Kasrni qisqartiring:

a) c)
b) d) =
2) Ifodani soddalashtiring:
a) b)
c)

d)

3) Hisoblang:
=
4) Agar sonni 9 ga bo`lganda 2 yoki 7 qoldiq qolsa, bunday sonni kvadratini 9 ga bo`lganda 4 qoldiq qolishini isbotlang.
5) Otasi 41 yoshda katta o`gli 13 yoshda, qizi 10 yoshda, kichik o`g`li 6 yoshda. Necha yildan keyin otaning yoshi hamma bolalari yoshi yig`indisiga teng bo`ladi?

Yozma ish geo IV ch 1 I – variant

1)Teng yonli uchburchakning peremetri

3,2 m ga teng . Asosi yon tomonidan 1 m ga qisqa bo`lsa, uning yon tomoni uzunligini toping.

A)l,6m. E) 1,2 m. C) 1,4 m. D) 1,3 m.

2) Berilgan chizmada eng uzun kesmani

aniqlang. A

A) AC

B) AB

C ) DC B

D) BC C

D

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

А) 40°

В) 50°

С) 60°

D) 70°
4) Uchburchakning ikkita burchagi 2:3 kabi nisbatda. Uchinchisi shu burchaklarning kattasidan ga kichik. Uchburchakning kichik burchagini toping.

A) 81°, B) 54°. C) 60°. D) 45°

5) Uzunligi 3; 5; 7;9; 13 sm ga teng bo`lgan kesmalardan nechta turli tomonli uchburchak yasash mumkin.
6) ABC uchburchak tomonlari uchun AC>AB>BC tengsizlik o`rinli bo`lsa, uning burchaklarini o`sish tartibida yozing.

7) Uchburchakning ikki tomoni 7 sm va

9 sm bo`lib, uchinchi tomoni uzunligi natural songa teng ekanligi ma`lum. Uning uchichi tomoni uzunligini toping.

Yozma ish geo IV ch 1 II – variant

1) Teng yonli uchburchakning asosi yon tomonidan 2 sm ga qisqa. Agar uchburchak ning peremetri 19 sm bo`lsa, asosining uzunligi necha santimetr?

A) 4. B) 5. C) 6. D) 7.

2 ) Shaklga ko’ra eng katta va eng kichik tomonlar qaysilar?

A) e , b

B) d , b

C) d , a

D) a , b
3 ) d₁//d₂ bo’lsa,berilgan shaklga ko’ra x=?

A) 4

B) 60

C) 70

D) 90

E) 110
4) Uchburchakning tashqi burchagi 125° bolib, unga qo`shni boimagan ichki burchaklari biri ikkinchisidan 4 marta katta. Uchburchakning eng katta burchagini aniqlang.

A) 100°, B) 90°. C) 25°. D) 55°
5) uzunligi 4; 6; 8; 10; 14 sm ga teng bo`lgan kesmalardan nechta turli tomonli uchburchak yasash mumkin
6) MNK uchburchak burchaklari uchun munosabat o`rinli bo`lsa, uning tomonlarini taqqoslang.
7) Uchburchakning ikki tomoni 5 sm va

8 sm bo`lib, uchinchi tomoni uzunligi natural songa teng ekanligi ma`lum. Uning uchichi tomoni uzunligini toping.

Test 7 IV ch

1) Ifodaning son qiymatini toping; ; agar b=

A) 1 B) – 1 C) 3 D) – 3

2) Tenglamani yeching:

A) B) 7,5 C) – 7,5 D)

3) Hisoblang: 419∙519

A) 41900 B) 4190 C) 419 D) 419000

4) Amallarni bajaring:

A) B) C) D)

5) Hisoblang: 27048∙27044 – 27047∙27043

A) 60491 B) 58051 C) 57091 D) 54091

6) Ifodani soddalashtiring:

A) 0,2y – 1 B) 2y+1 C) 3y – 1 D)

7) Ikki to`g`ri chiziq kesishishidan hosil bo`lgan uchta burchak yig`indisi ga teng. Bu burchaklardan kattasi kichigining necha % ini tashkil qiladi

A) 200% B) 20% C) 120% D) 300%

8) Ko`paytirishni bajaring:

A) B) C) D)

9) ni hisoblang.

A) B) C) D)

10) 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)

11) Burchak bissektrisasi uning tomoni bilan li burchak tashkil qiladi. Berilgan burchakka qo`shni bo`lgan burchak kattaligini toping.

A) B) C) D)

12) ni hisoblang.

A)0,45 B)0,27 C)0,36 D)0,06

13) Agar va bo`lsa , uchburchakning noma`lum burchaklarini toping.

A) ; B) ; C) ; D) ;

14) Praporsiyaning noma`lum hadini toping:

15) Hisoblang:

A) 4,5 B) 4 C) 3,5 D) 3

16) Kasrni qisqartiring: ;

A) B) C) D) ab

17) Hisoblang: A) 0,05 B) 2 C) 0,5 D) 20

18) Kasrni qisqartiring: ;

A) B) C) D) -12ab

19) ifodani soddalashtiring

A) B) C) D)a-b

20) ni hisoblang.

A)14 B)18 C)22 D)20

21) Ifodani soddalashtiring:
a)

22) Tenglamani yeching : x+

23) Kater oqim bo`yicha 8 soat va oqimga qarshi 7 soat suzib , 147 km masofani bosib o`tdi.

Agar daryo oqimining tezligi 2km/soat bo`lsa, katerning xususiy suvdagi tezligini toping.

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.

Test 7-sinf imtihon.

1)Amallarni bajaring: (-4)∙((-42):6-(-12)∙(-2))=

A) – 31 B) -124 C) 124 D) 31

2) 7ga bo‘lganda 3 qoldiq qoladigan sonlarning umumiy ko‘rinishini yozing.

A) 7a-3 B) 7a+3 C) 7a D) 7a – 1

3) Tenglamani yeching: 3(2x − 3)−4=5+2(2+3x)

A) 0 B) 1 C) D) cheksiz ko‘p

4) 2 soni x −4,5(2x−a)=2 tenglamaning ildizi bo‘lsa, a ni toping.

A) 3 B) 4 C) 5 D) 6

5) Ikkita javonda 180 ta kitob bor. Birinchi javondan ikkinchisiga 10 ta kitob olib qo'yildi. Shundan so'ng, ikkinchi javondagi kitoblar soni birinchisidagi kitoblar soniga qaraganda ikki baravar ko'p bo'lib qoldi. Dastlab birinchi javonda qanchadan kitob bo'lgan?

A) 30 B)40 C) 50 D) 70

6) Tenglamani yeching:

x +   

A) 3 B) −3 C) 4 D) 5

7)Birhadni standart shaklda yozing:

A) -15x B) -15x C) 15x D) -7,5 x

8) Hisoblang:

A) 1 B) 8 C) D)

9) 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)

10) 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

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

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

12) Kasrni qisqartiring: ;

A) B)

C) D) ;

13) ni soddalashtiring

A) 7 B) 8 C) D)

14) ni hisoblang.

A) B) C) D)

15) ifodani

x=-2 dagi qiymatini toping.

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

16) 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

17). Burchakning bissektrisasi uning tomoni bilan 45⁰ li burchak tashki etsa, burchakning o’zini toping.

A) 15⁰ B) 60⁰ C) 90⁰ D) 22,5⁰

18) 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

19) 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)

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

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

21) 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

22)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

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

А) 40°

В) 50°

С) 60°

D) 70°

24) 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)

25) Burchaklari o`zaro 1:2:1 kabi nisbatda bo`lgan uchburchakning turini aniqlang

A) teng yonli B) tog`ri burchakli

C) tengyonli to`g`ri burchakli

D) teng tomonli uchburchak