8 – sinf test III chorak I variant
– sinf TEST III CHORAK II variant
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Bog'liqwww.idum.uz 8 sinf Algebra fanidan test 3 chorak
ni 0,01 gacha aniqlikda o’nli kasr ko’rinishida yozing: A) 0,52; B) 0,5; C) 0,53; D) 0,54. Xonaning uzunligi (5±0,02) m ga teng. O’lchashning nisbiy xatoligini toping. A) 4 %; B) 0,4 %; C) 0,02 %; D) aniqlab bo’lmaydi. Sonning aniq qiymati 1,573, taqribiy qiymati 1,57 bo’lsa, yaqinlashish xatoligini toping: A) 0,003; B) 0,535; C) 1,335; D) 0,445. Sonni standart shaklda yozing: 234,087. A) 2,34087·102; B) 23,4087·10; C) 2,4·102; D) 2,34·10-2. Qo’sh tengsizlik ko’rinishida yozing: a=-1,6±0,4. A) -2<a<-1,2; C) -2≤a≤-1,2; B) -1,2≤a≤-2; D) -2≤a≤-1,64. Sonni yuzdan birgacha yaxlitlang. Yaxlitlashning nisbiy nisbiy xatoligini toping: 5,7635. A) 5,76; 0,8 %; C) 5,77; 0,08 % B) 5,76; 0,9 %; D) 5,76; 0,06 %. Ifodani soddalashtiring: A) ; B) 5; C) ; D) . Hisoblang: A) ; B) ; C) ; D) . Hisoblang: A) 48; B) 30; C) 18; D) 39. Hisoblang: A) 14; B) 3; C) 11; D) . Ifodani soddalashtiring: A) ; B) ; C) ; D) . Ifodani soddalashtiring: A) ; B) ; C) ; D) . tenglamani yeching: A) x1=0, x2=1; C) x1=0,5, x2=0; B) x1=x2=0; D) x1=-1, x2=-2. Tenglamani yeching: A) x<−5; B) x≥−5; C) x≥5; D) . Ildizning qiymatini toping: A) 24; B) 12; C) 48; D) 36. x ning qanday qiymatlarida ifoda ma’noga ega bo’ladi? A) x≥0; B) x<0; C) x>0; D) x=0. Tenglamani yeching: 6x7x=3,5(1)+4 A) -0,5 B) 7,5; C) 4; D) 0,5. Agar to’g’ri to’rtburchakning tomonlari 4 marta orttirilsa, uning yuzi necha marta ortadi? A) 4; B) 8; C) 12; D) 16. Teng tomonli uchburchakning tomoni 6 sm. Uchburchakning yuzini toping. A) ; B) ; C) ; D) . Yuzi 144 sm2, balandliklari 8 sm va 12 sm bo’lgan parallelogrammning perimetrini toping: A) 40; B) 30; C) 80; D) 60. To’g’ri burchakli uchburchakning katetlaridan biri 12 ga, gipotenuzasi esa 15 ga teng. Ikkinchi katetni toping. A) 9; B) 8; C) 6; D) 7. Trapetsiyaning yuzi 30 ga, balandligi 6 ga teng bo’lsa, uning o’rta chizig’i qanchaga teng bo’ladi? A) 2,5; B) 5; C) 7,5; D) 6. Teng yonli uchburchakning asosi 16 sm, yon tomoni 10 sm. Asosiga o’tkazilgan balandligining uzunligini toping. A) 4 sm; B) 8 sm; C) 6 sm; D) 5 sm. Uzunligi 35 ga teng bo’lgan kesma 3 : 4 nisbatda ikki bo’lakka bo’lingan. Har bir bo’lakning uzunligini toping. A) 16 va 9; C) 17 va 18; B) 15 va 20; D) 10 va 25. Kvadratning perimetri 20 sm. Uning yuzini toping. A) 24 sm2; B) 25 sm2; C) 10 sm2; D) 16 sm2. Download 121 Kb. Do'stlaringiz bilan baham: |
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