Matematika 8 sinf uchun test savollari I variant
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8 sinf matematikadan testlar
@ustozlar_uchun @rishton7 Matematika 8 sinf uchun test savollari I variant ni soddalashtiring. A) B) C) D) Hisoblang. A) B) C) D) Hisoblang: A) 4,4 B) C) D) ekanligi ma’lum bo`lsa, kasrning qiymatini toping. A) 3,6 B) C) 3,8 D) 3,2 ABCD teng yonli trapetsiyaning diagonallari o`zaro perpendikulyar. Agar AC diagonal 6 sm ga teng bo`lsa, uning yuzini toping. A)9 sm2 B)36 sm2 C)18sm2 D)27 sm2 Taqqoslang: va A) B) C) D) Hisoblang: A) 280 B) 27 C) 260 D) 270 Ikki doira yuzlarining nisbati ga teng, kichik doiraning radiusi 4 sm. Katta doiraning radiusini toping. A) 24 B) 14 C) 16 D) 12 Ikki sonning ko`paytmasi ularning o`rta arifmetigiga teng bo`lib, bu sonlar ayirmasi esa 1ga teng. Berilgan sonlarni toping. A) B) C) (2; 1) D) Ifodani soddalashtiring: , bunda . A) B) C) D) BP ABCD parallelogrammning balandligi. Agar AB=13 sm, AD=16 sm va ABCD ni toping. A) 100 B) 104 C) 52 D)105 Tenglamani yeching: A) B) C) D) Soddalashtiring: A) 0 B) C) D) Muntazam uchburchakning balandligi 9 sm. Uchburchakka ichki chizilgan aylananing radiusini toping. A) 3 sm B) 4,5 sm C) 6 sm D) 2,5 sm Tengsisliklar sistemasini yeching . A)[-3;5) B)(2;4] C)[-6;6) D)[6; ) Agar va bo`lsa, vektorning modulini toping. A) 16 B) 10 C) 8 D) 3 Tomonlari 4; 13 va 15 ga teng bo`lgan uchburchakning yuzini toping. A) B) C) D) Trapetsiyaning o`rta chizig`i 9 sm, asoslaridan biri ikkinchisidan 6 sm kichik. Trapetsiyaning katta asosini toping. A) 15sm B) 18 sm C) 12 sm D) 14 sm 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 Agar bo`lsa, x(y+7) ning qiymatini toping. A)16 B)18 C)20 D)14 A1 nuqta OX o`qiga nisbatan nuqtaga simmetrik, A2 nuqta OY o`qiga nisbatan A1 nuqtaga simmetrik bo`lsa, A2 nuqtaning koordinatalarini toping. Teng yonli to`g`ri burchakli uchburchakning yuzi 1225 ga teng bo`lsa, uchburchakning gipotenuzasini toping. Aylanani 3:5 nisbatda bo`luvchi vatar va shu vatarning oxirlarining biridan o`tuvchi diametr orasidagi burchakni toping. 0,00010258 sonini standart shaklda yozing. Agar ekanligi ma’lum bo`lsa, ni toping. Kater va teploxod bir-biriga qarab harakatlanishmoqda. Ular orasidagi masofa 120 km. Teploxodning tezligi 50 km/soat. Katerning tezligi teploxodning tezligidan 60% ga kam. Ular necha soatdan keyin uchrashadilar. Taqqoslang: Agar ekanligi ma`lum bo`lsa, ni toping. ______________________________________________________ Hisoblang: ____________________________________________________________ Tenglamaning ildizlari yeg`indisini hisoblang: ____________________________________________________________ Download 71.01 Kb. Do'stlaringiz bilan baham: |
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