Matematika 8 sinf uchun test savollari I variant


Matematika 8 sinf uchun test savollari


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8 sinf matematikadan testlar

Matematika
8 sinf uchun test savollari
II variant

  1. f(-2)=3 va f(2)=5 shartni qanoatlantiruvchi chiziqli funksiyani aniqlang.

A) B)f(x)=2x-1 C) f(x)=2x+1 D) f(x)=3x+9

  1. Agar

bo`lsa, x(y+7) ning qiymatini toping.
A)16 B)18 C)20 D)14

  1. ABCD to`g`ri to`rtburchakning A burchagi bissektrisasi BC tomonniuzunliklari BM=16sm va MC=14sm bo`lgan ikki qismga ajratadi.To`g`ri to`rtburchakning yuzini toping.

A)500sm2 B)420sm2 C)480sm2 D)510sm2

  1. Hisoblang:

A) 15 B) C) D)

  1. ekanligi ma’lum bo`lsa, kasrning qiymatini toping.

A) B) C) 1,5 D) 2,4

  1. Taqqoslang: va

A) > B) < C) = D)

  1. Hisoblang:

A) 270 B) 282 C) 280 D) 28

  1. Kvadratning perimetri 20% ga uzaytirilsa, uning yuzi necha foiz kamaygan?

A)20 B)25 C)40 D)44

  1. Ikki doira yuzlarining nisbati ga teng,katta doiraning radiusi 9dm. Kichik doiraning radiusini toping.

A) 3 dm B) 6 dm C) 4 dm D) 2 dm

  1. Ifodani soddalashtiring: , bunda .

A) B) C) D)

  1. Tenglamani yeching:

A) B) C) D)

  1. Tenglamani yeching:

A) B) C) D)

  1. q ning qanday qiymatida tenglamaning ildizlari kubining yig`indisi 19 ga teng bo`ladi?

A) 6 B) 5 C) 7 D) 4

  1. Soddalashtiring:

A) B) C) 0 D) 2

  1. Uchburchakning uchlaridan unga ichki chizilgan aylananing urinish nuqtalarigacha bo`lgan masofalar 2;3 va 5 ga teng bo`lsa, uchburchakninig perimetrini toping.

A) 19 B) 18 C) 24 D) 20

  1. Agar va bo`lsa, vektorning modulini toping.

A) 11 B) 14 C) 13 D) 12

  1. Tomonlari 8,10 va 14 bo`lgan uchburchakning yuzini toping.

A) B) C) D)

  1. Uchburchakning o`rta chizig`i asosidan 5,4 sm kichik. Uchburchakning o`rta chizig`I va asosining yig`indisini toping.

A) 13,5 sm B) 16,2 sm C) 10,8 sm D) 21,6 sm

  1. ni soddalashtiring.

A) B) C) D)

  1. Hisoblang.

A) B) C) D)

  1. A1 nuqta OX o`qiga nisbatan nuqtaga simmetrik, A2 nuqta OY o`qiga nisbatan A1 nuqtaga simmetrik bo`lsa, A2 nuqtaning koordinatalarini toping.

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  1. Teng yonli to`g`ri burchakli uchburchakning gipotenuzasi ga teng bo`lsa, uning yuzini toping.

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  1. AB vatar 560 li yoyni tortib turadi. Vatar va shu vatar oxirlaridan aylanaga o`tkazilgan urinmalar orasidagi burchakni toping.

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  1. 0,00280128 sonini standart shaklda yozing.

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  1. Agar ekanligi ma`lum bo`lsa, ni toping.

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  1. Hisoblang:

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  1. Tenglamaning ildizlari yeg`indisini hisoblang:

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  1. Teng yonli trapetsiyaning diagonallari to`g`ri burchak ostida kesishadi. Asoslarining yig`indisi 2а ga teng. Trapetsiyaning yuzini toping.

  2. Tengsizliklar sistemasini yeching:

  3. Yuzasi 144 sm2, balandliklari 8 sm va 12 sm bo’lgan papallelogramning peremetrini toping.



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