Информатика ва ат (масофавий таълим курслари учун) фанидан тест саволлари

19. Quyidagi tekis burchaklarning qaysilaridan uch yoqli burchak yasash mumkun.
*a)10^о,170^о ,90^о;
b)130^о, 85^о , 160^о;
c)160^о,130^о , 80^о;
d)150^о,120^о, , 90^о.
20. To`g`riburchakli parallelepipedning uch o`lchoviga ko`ra diago`nalini toping. 12;16;21.
*a)29
b)30
c)25
d)15
21. Asosining tomonlari 29,25,va 6 ga,yon qirrasi asosining katta balahdligiga teng bo`lgan uchburchakli to`g`ri prizmaning hajmini toping.
*a)1200
b)1300
c)1400
d)1250
22. Muntazam to`rtburchakli piramida asosinig tomoni 6, balandligi 4 ga teng bo`lsa, hajmini toping.
*a)48
b)86
c)106
d)76
23. Silindr o`q kesimi kvadrat bo`lib diago`nali 20 sm. Silindr asosinig radiusini toping.
*a)
b )8
c) 10см
d)10
24. Konus balandligi 4 sm,asosi radiusi 3sm.To`la sirtini toping.
*a)24
b)20
c)15
d)14
25.Silindr o`q kesimining diagonali 8sm bo`lib asosi bilan 30⁰ burchak tashkil etadi.Silindr hajmini toping.
*a)48см³
b)24см³
c)36см³
d)40см³
26. Funksiyaning х=0 nuqtadagi hosilasini toping. g(х)=х⁴-3х³+2х²
*a)0
b)-1
c)17
d)-9
27. Funksiyaning hosilasini toping: f(х)=ln(2х+1)
*a)
b)2х+1
c)
d)
28. Funksiyaning hosilasini toping: f(х)=2^х+х³
*a)2^хln2+3x²
b)
c )2^хln3
d)2^х+3х²
29. Funksiyaning hosilasini toping: у=cos5x
*a)-5sin5x
b)-sin5x
c)5sin5x
d)5sinx
30. Jism to`g`ri chiziq bo`ylab х(t)= 2t<sup>2</sup>-6t+5 qonun bo`yicha xarakatlanmoqda.
Jismning t=2 seк. vaqt momentdagi xarakat tezligini toping.
*a) 2
b)14
c)12
d)4
31. у=3х²-х parabo`laga x=-1 nuqtada o`tkazilgan urinma tenglamasini tuzing.
*a)у=-7х-3
b)у=7х+3
c)у=7х-3
d)у=7х+11
32. у=4х² +2х-1 funksiyaning kamayish oraligini toping.
*a)(-∞;- )
b)[- ;∞),
c)[- ; }
d)(-∞;∞)
33. у=х³-6х²+4 funksiyaning o`sish oraligini toping;
*a)(-∞;0)va(4;∞)
b)[4;∞)
c)(-∞;0)
d)(-∞;∞)
34. у=-х²-х+6 funksiyaning ekstremumlarini toping
*a)max:(-0,5;6,25)
b)min:(-0,5; -6,25)
c)max:(0,5;6,25)
d)min:(-0,5;-6,5)
35. f(х)=х³-2х²-4х+2 funksiyaning [-1;1]oraliqdagi eng katta qiymatini toping
*a) 3
b)3 ;
c) 4;
d )3