2015-yilning variantlari Matematika (Informatika) javoblari bilan

Variant №126

f'(x)-?

A) B) C) D)

2 B(-4; 2) nuqtadan Ox o'qiga perpendikulyar tushurilgan. Shu perpendikulyar asosining kordinatalari topilsin.

A) (-4;0) B ) (4; 0) C(-4;2) D) (0; 2)

3. Teng yonli uchburchakning uchidagi burchagi a ga teng. Uehburchakka ichki va tashqi chizilgan doiralar radiuslari nisbatini toping.

A) B) C) D)

4. tengsizlikni yeching.

A) (∞;0) U (6 ; ∞) B) (-∞; ∞) C) (-∞;0] U ( 8; ∞) D) (8 ; ∞)

5. Uchburchakning ikkita tomoni 24 va 11 ga, ular orasidagi burchagi 120° ga teng. Shu uchburchakka tashqi chizilgan aylananing radiusini toping.

A) B) C) D)

6. (x²+14x+14) (x² +x+14)=14x² tenglama haqiqiy ildizlari yig'indisini toping.

A ) -14 B) -16 C) -15 D ) -13

7. f(x+2)=2(2f(x)+1), f(2)=4, f( 6 )-?

A) 66 B) 72 C)46 D)74

8 . dx ni hisoblang

A) B) C ) D )

9. 9 ga bo’lganda qoldiq 7 ga, 8 ga bo’lganda esa qoldiq 3 ga teng bo’ladigan hamda ikkinchi bo’linma birinchi

Bo’linmadan 1 ga ortiq bo'ladigan natural sonni toping.

A) 61 B) 75 C) 43 D)91

10. Agar bo’lsa, ni toping

A) B) C) D)

11. ni hisoblang

A) 9 B ) 18 C) 27 D) 9

12. (-35 ):7-725 :(-25)-( -91 ):(-7) qiymati 3 dan qancha katta?

A ) 18 B ) 8 C)29 D) 11

13. Yig'indisi 6 ga teng, birinchi 5 ta hadining yig'indisi esa ga teng bo’lgan cheksiz kamayuvchi geometrik

uchinchi hadini toping.

A) 0,5 B) 0,75 C) 1,5 D) 3

14 lfodani soddalashtiring:

A) B)1 B ) 0 D)

15. Muntazam oltiburchakning tomoni √108 sm bo'lsa, unga tashqi va ichki chizilgan aylana radiuslarining nisbatini toping.

A) B) C) D)

I6.|x²-x-3|+1+x = 0 tenglamani yeching.

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

17. Bir burchagi qavariq, qolgan burchaklari botiq bo'lgan beshburchakning ichki burchaklari yig'indisini toping.

A) 540° B) 720° C) 450° D) 960°

18. Kasrni qisqartiring

A) B) C) D)

19. tenglikni qanoatlantiradigan a,b,c larni toping.

A) a=b=c=1/3 B) a=1/3 b=2/3 c=-1/3 C) a=1/3 b=-1/3 c=2/3 D) a=2/3 b=-1/3 c=1/3

2 0. Rasmda berilganlarga ko’ra, AD/AB ning qiymati topilsin.

A) B) C) D)

21. ni qisqartrrmg.

A ) B) C) x¹¹ - 1 D)

22 Teng yonli trapetsiyaning diagonallari o’zaro perpendikulyar hamda yuzi 32 ga teng bo'lsa, uning diagonali uzunligini toping.

A) 6 B) 8 C) 4 D)

23. ni hisoblang.

A) 6 B) 12 C )8 D) 4

24. tenglamani yeching.

A) B) C) D)

25. tenglamalar sistemasidan |x-y| ni toping.

A) 3 B) 0 C) 1 D) 2

26. Nechta butun son a va b sonlar jufti a²-b²= -17 tenglikni qanoatlantiradi?

A) 1 B) 0 C )2 D) 4

27. ildizlari o'rta arifmetigini toping.

A) 1,5 B) 19/18 C) 13/12 D) 0,(6)

28 tenglama [- 2π; 2 π] kesmada nechta ildizga ega?

A)3 B) 1 C)∅ D )2

29. tenglamani yeching.

A) 3 B) 1 C ) D )

30.Agar konus o'q kesimining yuzi N ga, asosining yuzi M ga teng bo’lsa, konus yon sirtining yuzini toping.

A ) B ) C) D )

31. Bitta 16 lik razryad qancha axborot saqlaydi?

A) 1bit B) 2bit C ) 4bit D) 16 bit

32. A - ’Printer -axborotni kiritish qurilmasi” , 3 = ' I01I2=B|6” , C= ” 1 Gbayt =1024 Mbayt” mulohazalar qiymati asosida quyidagi mantiqiy ,ifoda qiymatini aniqlang::

A) Rost B ) Sodda mulohazalardan ba'zilarini qiymatini aniqlab bo’Imaydi.

C) Mantiqiy ifoda xato yozilgan D) Yolg’on

33. Faylga yo'l berilgan:C :\My pictures\klass\picture.bmp ( fayl nomini ko'rsating.

A) My pictures B ) klass C) picture.bmp D )C:

34 MS Excel 2003 dasturida D2 katakchadagi =SAI*B3” formulaning E3 katakchaga nusxani toping.

A)=$A1*B3 B) =$A2*C4 C)=$A2*B4 D)=$BI*C4

35. Quyidagi keltirilgan URL manzilda bayonnoma (protokol) nomini ko’rsating.http://www.tps.uz

A) http B) uz C) tps D) www

36 Paskal tilidagi quyidagi dastur ishga tushirilganda xatolik xabarini chiqarmasligi uchun "? ” va "??” belgilari o’rniga qo’yish mumkin bo’lgan (mos ravishda) standart funksiyalar jurtligini aniqlang:

Var a:shorting; b:word;

Begin a:=?(5/5); b:=??(90-sqr(!0));

write(a,b);End.

A) round, trunc B ) int, abs C) abs, round D) trunc. Abs