8 – sinf test III chorak I variant


– sinf TEST III CHORAK II variant


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www.idum.uz 8 sinf Algebra fanidan test 3 chorak


  1. ni 0,01 gacha aniqlikda o’nli kasr ko’rinishida yozing:

A) 0,52; B) 0,5; C) 0,53; D) 0,54.



  1. 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.



  1. 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.



  1. Sonni standart shaklda yozing: 234,087.

A) 2,34087·102; B) 23,4087·10; C) 2,4·102; D) 2,34·10-2.



  1. 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.



  1. 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 %.



  1. Ifodani soddalashtiring:

A) ; B) 5; C) ; D) .

  1. Hisoblang:

A) ; B) ; C) ; D) .



  1. Hisoblang:

A) 48; B) 30; C) 18; D) 39.



  1. Hisoblang:

A) 14; B) 3; C) 11; D) .

  1. Ifodani soddalashtiring:

A) ; B) ; C) ; D) .

  1. Ifodani soddalashtiring:

A) ; B) ; C) ; D) .



  1. tenglamani yeching:

A) x1=0, x2=1; C) x1=0,5, x2=0;
B) x1=x2=0; D) x1=-1, x2=-2.



  1. Tenglamani yeching:

A) x<−5; B) x≥−5; C) x≥5; D) .



  1. Ildizning qiymatini toping:

A) 24; B) 12; C) 48; D) 36.



  1. x ning qanday qiymatlarida ifoda ma’noga ega bo’ladi?

A) x≥0; B) x<0; C) x>0; D) x=0.



  1. Tenglamani yeching: 6x7x=3,5(1)+4

A) -0,5 B) 7,5; C) 4; D) 0,5.



  1. Agar to’g’ri to’rtburchakning tomonlari 4 marta orttirilsa, uning yuzi necha marta ortadi?

A) 4; B) 8; C) 12; D) 16.



  1. Teng tomonli uchburchakning tomoni 6 sm. Uchburchakning yuzini toping.

A) ; B) ; C) ; D) .



  1. Yuzi 144 sm2, balandliklari 8 sm va 12 sm bo’lgan parallelogrammning perimetrini toping:

A) 40; B) 30; C) 80; D) 60.



  1. 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.



  1. 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.



  1. 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.



  1. 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.



  1. Kvadratning perimetri 20 sm. Uning yuzini toping.

A) 24 sm2; B) 25 sm2; C) 10 sm2; D) 16 sm2.

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