# Ninng eng katta qiymatini toping. A 18 b 20 c 22 d 24

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 Agar 2m+3n=72(m,n N) bo’lsa, n ninng eng katta qiymatini toping. A)18 B)20 C)22 D)24 x=3,61(91), y=3,62, z=3,6(191) va t=3,619(1) sonlarni kamayish tartibida yozing. A)y>x>z>t B)y>x>t>z C)x>z>y>t D)y>t>z>x Kitobning narxi 12500 so’m edi. Dastlab narxi 16% arzonlashdi, so’ng 1850 so’m qimmatlashdi.Kitobning oxirgi narxi necha so’m bo’ldi? A)12350 B)12260 C)12220 D)12450 Arifmetik progressiyaning yettinchi hadi birinchi hadining 25%iga teng . Agar a2+a4+a6=90 bo’lsa birinchi va beshinchi hadi yig’indisini toping A)72 B)78 C)82 D)76 Hisoblang. A)1/2 B)1/5 C) 2/3 D) 1 Agar P=3a2+4b, Q= -2a2-3b bo’lsa, P+Q+4b ni toping. A) a2+5b B) -a2-5b C) -a2+5b D) a2-5b Agar xy=5 va z+y=-5 bo’lsa, (3+2x)2▪y+(3+2y)2▪z ifodaning qiymatini toping. A)5 B)-5 C)0 D)-25 f(x)=3|x| - 2 funksiyaning qiymatlar sohasini toping. A)(-2;+∞) B) (-1;+∞) C) [-1;+∞) D) (0;+∞) Agar 0 A)log2loga(a+1) B)logaloga(π/4) C)log2logalog23 D)lglglga Agar f(x) = log3(x2 – 6x+27) + 6 bo’lsa, f(2) ning qiymatini toping. A)6 + log37 B) 6 + log319 C)9 D)8 log22x+2≥3log2x tensizlikni yeching. A)(0;2]U[4; ∞) B)[2;4] C) (0;1/4]U[1/2; ∞) D) (-∞;2]U[4; ∞) (x+1)▪(|x|-1)=3 tenglama nechta haqiqiy ildizga ega? A)4 B)2 C)1 D)0 k ning qanday qiymatlarida tenglamaning ildizi 1dan kichik bo’ladi? A)5 B)13 C)10 D)7 lg(log3(2+log3(x-2)))=0 tenglamaning ildizi x0 bo’lsa, 3x0-2 ning qiymatini toping. A)5 B)13 C)10 D)7 Agar log30250=m bo’lsa, log35 ni m orqali ifodalang. A) B) C) D) 52314 sonining raqamlari joylarni almashtirib, 1 bilan tugaydigan nechta har xil son hosil qilish mumkin. A)30 B)25 C)24 D)20 100 kishidan iborat sayyohlar guruhidan 60%i ingliz tilini, 50%ini fransuz tilini, 17%i esa ikkala tilni biladi. Nechta sayyoh ikkala tilni ham bilmaydi? A)11 B)8 C)6 D)7 k ning qanday qiymatlarida a(-2;k+4;k+1) vektorning uzunligi 7ga teng bo’ladi? A)2 va 7 B) -2 va 7 C) -2 va -7 D) 2 va -7 Silindrning balandligi 5 ga teng, o’q kesimining diognali 13 ga teng.Slindr asosining radiusini toping. A)4 B)12 C)6 D)6 To’g’ri burchakli uchburchakka ichki va tashqi chizilgan aylanalar chizilgan agar uchburchak katetlari 6 va 8 ga teng bo’lsa, aylanalar markazlari orasidagi masofani toping. A) B) C)2 D) ABCD trapetsiya AB katta asosida E nuqta olingan, CE kesma AD yon tomoniga parallel. Agar AE:EB=3:5 bo’lsa AECD to’rtburchak yuzini BCE uchburchak yuziga nisbatinin toping. A) 3/2 B)5/6 C)3/5 D)6/5 Agar rombning bir diognalii 50%ga kamaytirib, ikkinchi diognali 2marta uzaytirilsa, rombning yuzi qanday o’zgaradi? A)o’zgarmaydi B)50%ga ortadi C)aniqlab bo’lmaydi D)50%ga kamayadi x2+y2-12x+6y+9=0 tenglama bilan berilgan aylana markazlarini toping. A)(6;-3) B) (-6;3) C) (-3;6) D) (3;-6) Markazi (0;0) nuqtada bo’lgan aylanadagi A(0:2) nuqtani soat mili harakatti yo’nalishida aylana bo’ylab 60 ̊ ga burish natijasida hosil bo’lgan nuqtaning koordinatalari yig’indisini toping. A)1 B)1- C)1+ D) 2 Integralni hisoblang. A)1/4 B)1/8 C) -1/8 D)0 Agar f(x) 9-darajali ko’phad bo’lsa, y=(x-1)2▪f(x)+x funksiyaning x0 nuqtadagi hosilasini toping. A) -1 B)0 C)1 D)2 f(x)=x2+kx-1 funksiya absissalar o’qini ikkita nuqtada kesib o’tadigan b ning barcha qiymatlarini toping. A)b<-2 B)b R C)b<2 D)b>2 |25-x2|▪(x2-10x+20<0 tengsizlikning butun yechimlari soni a bo’lsa, (a2+2)/4 ni hisoblang. A)0,5 B)0,75 C)1,5 D)2,75 Agar ( tenglamaning ildizlari x1 va x­2 bo’lsa u holda |x1-x2| ni toping. A) B) C) D) y=log33x funksiyaning qiymatlar to’plamini toping. A)(12;∞) B) (-∞;∞) C) (0;∞) D) (-∞;12) Download 21,88 Kb.Do'stlaringiz bilan baham:

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