8-sinf. Мatematika Test 2- variant


Download 55.19 Kb.
bet1/2
Sana09.01.2022
Hajmi55.19 Kb.
#267569
  1   2
Bog'liq
8-sinf 40 talik


8-sinf. Мatematika Test 2- variant

1.Hisoblang: A) 2,5 B) C)

(32+1)(34+1)(38+1)·…·(3128+1)·x=

A) 1 B) C) 0,5 D) -1

3. k ning qanday qiymatida kx2+12x-3=0 tenglamaning ildizlaridan biri 0,2 ga teng bo’ladi?

A) 135 B) 60 C) -135 D) 15

4.(x2+)─4(x+)+5=0 tenglamaning yechimlari ko’paytmasini toping:

A) 3 B) 2 C) 6 D) 1

5.Har bir ichki burchagi 1350 dan bo’lgan muntazam ko’pburchakning nechta tomoni bor? A) 8 B) 7 C) 6 D) 10

6. Trapetsiyaning asoslari 4 va 6 ga teng , katta asosiga yopishgan burchaklari 300 va 450 ga teng bo’lsa, trapetsiyaning yuzini toping?



A) ─1) B) +1) C) ─1) D) +1)

7.Ishlab chiqarish samaradorligi birinchi yili 15% ga ortdi , ikkinchi yili 10% ga kamaydi.Shu ikki yil ichida samaradorlik necha foizga ortgan? A) 3,4 B) 3,5 C) 35 D) 34,4



8.Agar =3,375 bo’lsa , ning qiymati nechaga teng bo’ladi?

A) 6 B) 5 C) 8 D) 7

9. Teng yonli trapetsiyaning o’rta chizig’I n ga,balandligi h ga teng bo’lsa, diagonal uzunligini toping.

A) B) C) D)

10. A) 1 B) -2 C) -1 D) 2

11.a- A) 170 B) 340 C) 17 D) 34

12. Hisoblang: Hisoblang: A) 100 B) 64 C) 12,5 D) 50

13.Ushbu tengsizlikning eng kichik natural yechimini toping? A) 5 B) 7 C) 8 D) 6

14.Kasrni qisqartiring: A) x2-2x-2 B) x2+2x+2 C) x2+x+2 D) x2-x-2

15. Agar x2+x-3=0 tenglamaning ildizlari x1 va x2 bo’lsa, ning qiymatini toping?

A)

16. 56-27 soni quyidagilarning qaysi biriga qoldiqsiz bo’linadi?

A) 51 B) 22 C) 25 D) 23

17. Ushbu 4343─ ayirmani 10 ga bo’lganda hosil bo’ladigan qoldiqni toping?

A) 5 B) 2 C) 1 D) 0

18.Sonning aniq qiymati 1,483, taqribiy qiymati 1,48. sonning yaqinlashish xatoligini toping.

A) 0,003 B) 0,435 C) 1,335 D) 0,445

19. Sonni o`ndan birgacha yaxlitlang. 2,293

A) 2,3 B) 2,2 C) 2,29 D) 2

20. Teng tomonli uchburchakning balandligi 9 sm, shu uchburchakka ichki chizilgan aylananing radiusini toping.

A) 3 B) 4,5 C) 6 D) 2,5

21. Katetlari 40 va 30 ga teng bo`lgan to`g`ri burchakli uchburchakka ichki chizilgan aylana radiusini toping.

A) 10 B) 7 C) 6,5 D) 8

22. Sonni standart shaklda yozing. 234,8

A) 2,348·102 B) 23,48·10 C) 2,4·102 D) 2,348·10-2

23. ni 0.01 gacha aniqlida o`nli kasr ko`rinishda yozing.

A) 0.52 B) 0.05 C) 0.53 D) 0.54

24. Tenglamani yeching. x2-17=0

A) B) C) D)

25. Tenglamani yeching. x2=121

A) x1,2=±11 B) x=11 C) x=-11 D)

26. Sonni yuizdan birgacha yaxlitlang. 5,7635

A) 5,76 B) 5,77 C) 5,763 D) to`g`ri javob yo`q

27. ni hisoblang.

A) 9 B) 5 C) 8 D) 13

28. berilgan, vektorning koordinatalarini toping.

A) (14;-9) B) (4;-3) C) (14;-3) D) (9;3)

29. Hisoblang.

A) -13 B) 13 C) 2 D) -2

30. Hisblang.

A) 20 B) 400 C) 200 D) 100

31. Hisoblang.

A) 15 B) 75 C) 175 D) 13

32. Maxrajni irratsionallikdan qutqaring.

A) B) C) D)

33. Taqqoslang. 5 va

A) 5> B) 5= C) 5< D) taqqoslab bo`lmaydi

34. Tenglamani yeching.

A) Ø B) C) D)

35. Qavariq to`rtburchakning diagonallari uni nechta uchburchakka ajratadi?

A) 4 B) 5 C) 6 D) 8

36. Rombning yuzi 24 ga, diagonallaridan biri 6 ga teng uning tomonini toping.

A) 10 B) 5 C) 8 D) 4,8

37. To`rtburchakning burhaklari o`zaro 3:5:4:6 . To`rtburchakning kichiuk burchagini toping.

A) 800 B) 900 C) 600 D) 400

38. Tenglamani yeching. x-8=4,03-3,9

A) 11,64 B) 8,13 C) 5,64 D) 9,93

39. Qo`sh tengsizlik ko`rinishida yozing. a=-1,8±0,2

A) -2 B) -1,6≤a≤-2

C) -2≤a<6 D) -2≤a≤-1,6

40 . Ifodanbi qiymatini toping. , a=10, b=40, n=16

A) 800 B) 400 C) 25 D) 100




Download 55.19 Kb.

Do'stlaringiz bilan baham:
  1   2




Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©fayllar.org 2024
ma'muriyatiga murojaat qiling