matematika test savollari

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m atematika (informatika bilan) tuzdi ( begim eshmuradov ) 4- litsey 1 . muntazam uchburchakka ichki chizilgan doira yuzining shu uchburchakka tashqi chizilgan doira yuziga nisbatini toping. a) 2:3 b) 1:2 c) 1:4 d) 1:3 2 . hisoblang. a) -2 b) 2 c) 1 d) -1 3 . ixtiyoriy uchburchakning ichki burchaklari yigindisi necha gradusga teng? a) 3600 b) 1200 c) 900 d) 1800 4 . tengsizlikning yechimlari tuplamini toping. a) x>0 b) x a>c b) b>c>a c) c > a > b d) a > b > c 11. konusning o’q kesimi teng tomonli uchburchak. to’la sirti 18 ga teng. konus asosining yuzini toping. a) 12 b) 6 c) 8 d) 5 12. ikkita doiraning umumiy vatari 600 va 1200 yoylarni tortib turadi. kichik doira yuzining kata doira yuziga nisbatini toping a) 1:2 b) 2:3 c) 1:4 d) 1:3 13. qanday burchakning bissektrissasi tomoniga perpendikulyar bo’ladi? a) o’tmas b) …
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ilgan. o’g’malar 3:5 nisbatda bo’lib, ularning proeksiyalari teng. o’g’malarning uzunligini toping. a) 3; 15 b) 3;5 c) 5;25 d) 9 ; 1 21. agar ifodaning eng katta qiymatini toping. a) 17 b) 18 c) 19 d) 7 22. 2sinx + 3cosx = 4 tenglamani yeching. a) 0 b) – 1 c) 1 d) 23. tenglamaning ildizini toping. a) 5 b) 5 va – 6 c) – 6 d) 6 24. geometrik progressiya hadlarining yig’indisini toping. a) 25. tenglamaning ildizlari yig’indisini toping. a) 2 b) -3 c) – 4 d) 4 26. tengsizliklar sistemasi butun yechimlarining yig’indisini toping. a) 9 b) -3 c) - 4 d) 4 27 birgalikda yechilsin. a) (0;1) b) [ ;1) d) (1; 28. abc uchburchakda ab =5 , bc = 9 bo’lib, bm mediana 6 ga teng bo’lsa, uchburchakning yuzini toping. a) 4 29. x3 + 3x2 – 5x - 14 = 0 tenglamaning barcha haqiqiy …
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m atematika (informatika bilan) tuzdi ( begim eshmuradov ) 4- litsey 1 . muntazam uchburchakka ichki chizilgan doira yuzining shu uchburchakka tashqi chizilgan doira yuziga nisbatini toping. a) 2:3 b) 1:2 c) 1:4 d) 1:3 2 . hisoblang. a) -2 b) 2 c) 1 d) -1 3 . ixtiyoriy uchburchakning ichki burchaklari yigindisi necha gradusga teng? a) 3600 b) 1200 c) 900 d) 1800 4 . tengsizlikning yechimlari tuplamini toping. a) x>0 b) x a>c b) b>c>a c) c > a > b d) a > b > c 11. konusning o’q kesimi teng tomonli uchburchak. to’la sirti 18 ga teng. konus asosining yuzini toping. a) 12 b) 6 c) 8 d) 5 12. ikkita doiraning umumiy vatari 600 va …

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