Va to`plamlarning birlashmasini toping.; b c ; d
A)2.2 B)1.8; C)2; D)2.4; 12
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yan.test1
A)2.2 B)1.8; C)2; D)2.4;
12. Tekislikning kesmalar bo`yicha tenglamasi berilgan qatorni toping. A) B) x+y+z = 1; C) ; D) x2+y2=R2; 13. Uch vektor aralash ko`paytmasining geometrik ma`nosi ….. ifodalaydi. A) piramidaning hajmini; B) uchburchakning yuzini; C) parallelogrammning yuzini; D) parallelopepidning hajmini. 14. Tenglamasi x2+y2-6x-8y+9=0 bo’lgan aylana markazidan kordinatalar boshigacha bo’lgan masofani toping. A)5 B)4; C)3; D)7 ; 15. A(3; 4; 1) nuqtadan = 0 tekislicgacha bo’lgan masofani toping A) B) 6 C) D) 2 16.A={kimyo} B={matematika} A/B=? A)(k,i,m,y,o) ; B)(y,o) C)(k,m,i) ; D)(a,t,m,k); 17. .|3 -2| |-4 5|=? A)23; B)7 C)13; D)18; 18.A(2:5) B(5:9) nuqtalar orasidagi masofani toping. A)25; B)10; C) 3; D)5. 19.Giperbola tenglamasi tog’ri keltirilgan javobni ko’rsating. A)x2/a2+y2/b2=1; B)x2/a2-y2/b2=1 C)x2+y2=r2; D)x2-y2=r2; 20. .M(2:-2) va N(-4:1) nuqtalardan o’tuvchi to’g’ri chiziq qaysi choraklararda yotadi? A)II;III;IV B)I;III;IV ; C)I;II;IV; D)I;II;III; 21. .ax-3y=1 ax-2y=2 tenglamalar sistemasini yeching. A)(4:a); B)(a:1) ; C)(a/4:1); D)(4/a:1). 22. .Ushbu 3sin2x funksiya uchun boshlang’ich funksiyaning umumiy ko’rinishini ko’rsating. A)-2/3cos2x+C; B)-3/2cos2x+C C)3/2sin2x+C; D)-3/2sin2x+C; 23. .|2 -3 1| |6 -6 2| |2 -1 2| determinantni hisoblang. A)12; B)10 C)8; D)16; 24.OACB to’g’ri to’rtburchakning OA va OB tomonlariga I va j birlik vektorlar qo’yilgan .Agar OA ning uzunligi 3 ga va OB ning uzunligi 4 ga teng bo’lsa,CO vektorni I va j orqali ifodalang. A)3i+4j ; B)-3i-4j C)3i-4j; D)4j-3i; 25. .Fokuslari OX o’qida bo’lgan giperbolaning mavhum o’qini uzunligi 12 ga teng bo’lsa va u (20;8) nuqtadan o’tsa,bu giperbolaning tenglamasini tuzing. A)x2/144+y2/36=1; B)x2/100-y2/36=1; C)x2/100+y2/36=1; D)x2/144-y2/36=1. 26. 3x-2y=-8 X+3y=1 (x;y) sonlar jufti sistemaning yechimi bo’lsa,y-x ni toping. A)0; B)-1; C)-2.5; D)3. 27. .|cosα sinα| |sinα cosα| determinantning qiymatini toping. A)cos2α B) 1; C)-cos2α; D) sin2α; 28.Agar f(x)=x3+5x2+4x+2 bo’lca, f ‘ (x)=y(1) tenglamaning eng kichik ildizini toping. A)-6 B)-2 C)-4 D)-1 29.M nuqta BC ning o’rtasi ,N nuqta esa AC o’rtasi bo’lsin,OA=3 va OB=4 bo’lganda MN vektorni aniqlang. A)-0,5 B)5; C)0,5; D)5,5; 30. .A(2:3); B(4:-1); C(6:5) nuqtalarda o’tuvchi shaklning perimctrini toping. A)2√5+√10 B)4√5+√10 C)4√5+2√10 D)2√5+2√10 Download 242.06 Kb. Do'stlaringiz bilan baham: |
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