6-guruh. Logarifmlar 8.06.2021
1*4770 yozuvdagi yulduzchani shunday raqam bilan almashtiringki, hosil bo’lgan son 45 ga qoldiqsiz bo’linsin. A) 0 B) 8 C) 4 D) 6 E) 5
Ko’rsatkichli va logarifmik funksiyalar uchun quyida keltirilgan xossalardan qaysilari no’to’g’ri?
1) funksiyaning qiymatlar to’plami barcha musbat haqiqiy sonlar to’plami;
2) funksiya 01 bo’lganda esa kamayuvchi bo’ladi;
3) logarifmik funksiyaning aniqlanish sohasi — barcha musbat sonlar to’plami;
4) logarifmik funksiyaning qiymatlar to’plami — barcha musbat sonlar to’plami;
5) agar a>1 bo’lsa, u holda fuksiya da manfiy qiymatlar, da musbat qiymatlar qabul qiladi;
A) 1;3;4 B) 1;3;5 C) 1;2;4 D) 2;4;5 E) 2;3;5
funksiyaning qiymatlar sohasini toping.
A) B) C) D) E) (1;2]
ning qanday qiymatlarida tenglamalar sistemasining yechimi koordinatalar tekisligining I choragiga tegishli bo’ladi?
A) B) C) D) E)
Agar va bo’lsa, ko’paytma nechga teng ?
A) 16 B) 10 C) 8 D) 12 E) 6
Ox o’qiga nisbatan to’g’ri chiziqqa simmetrik bo’lgan to’g’ri chiziq tenglamasini toping.
A) B) C) D) E)
ning tenglama bitta ildizga ega bo’ladigan qiymatlarining o’rta arifmetigini toping.
A) B) C) D) E)
va ning qanday qiymatlarida va to’g’ri chiziqlar kesishadi?
A) B) C) D) E)
Agar va bo’lsa, ning eng katta qiymatini toping.
A) B) C) D) E)
ning qanday qiymatida ifodani to’la kvadrat shaklida tasvirlab bo’ladi?
A) B) C) D) E)
ning qanday qiymatlarida tenglik o’rinli bo’ladi?
A) B) C) D) E)
tengsizlikni yeching?
A) B) C) D) E)
ga nisbatan ga simmetrik bo'lgan to'g'ri chiziqning tenglamasini toping.
A) В) C) D) E)
Agar bo’lsa, ni hisoblang.
A) B) C) 2 D) 3 E)
434 sonini 13 va 18 ga teskari proporsional sonlarga ajrating.
A) 192 va 242 B) 224 va 210 C) 150 v1 284 D) 252 va 182 E) 238 va 196
va sonlar tenglamaning ildizlari b’olsa, ning qiymatini toping.
A) -12 B) -6 C) -10 D) -8 E) -7
Agar va bo`lsa, ni toping.
A) B) -1,5 C) D) -3 E) -2
tengsizlikni yeching.
A) B) C) D) E)
Agar bo’lsa, nimaga teng?
A) B) C) D) E)
ni soddalashtiring.
A) B) 3 C) D) -1 E) 1
tengsizlikni yeching.
A) B) C) D) E)
tengsizlikni yeching.
A) B)
C) D) E)
Agar bo’lsa, ifodaning eng katta qiymatini toping.
A) B) C) D) E)
ga teskari sonni toping.
A) 6/15 B) C) D) E)
tengsizlikning barcha butun sonlardan iborat yechimlari yig’indisini toping.
A) 10 B) 6 C) 7 D) 15
Agar bo’lsa, yig’indini toping. A) B) C) 2−a D) 1−a
tengsizlikni yeching. A) B) C) D)
Agar va bo’lsa, ni a va b oraliqli ifodalang. A) B) C) D)
tengsizlikni yeching. A) B) C) D)
funksiyaning o’sadigan kesmaning uzunligini aniqlang. A) 4 B) 5 C) 4,5 D) 6
To’rtta asosiy so’zni eshitishni hohlayman: ,,Tabriklang men o’qishga kirdim ‘’
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