Uy » Choraklik online testlar » Matematika choraklik » 8-sinf Matematika 4-chorak Matematika choraklik 8-sinf Matematika 4-chorak InfoMaster May 5, 2021 1512 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 5 14 OMAD YOR BO'LSIN! Tomonidan yaratilgan InfoMaster 8-sinf Matematika 4-chorak Testni Shirinboyev Temur tayyorladi. 1 / 25 Qavariq n burchak ichki burchaklarning yig`indisi qaysi formula yordamida topiladi? A) 180(n-2) B) 180(n-3) C) 180(n-2)/n D) n-2/n 2 / 25 To'g'ri to'rtburchak bir tomoni 16 smga perimetri 70 smga teng ikkinchi tomonini toping. A) 35 B) 20 C) 19 D) 18 3 / 25 Quyidagi nuqtalardan qaysi biri y=3x+7 funksiyaga tegishli. A) (2;10) B) (3;5) C) (1;11) D) (-1;4) 4 / 25 To'g'ri to'rtburchakning perimetri 66 smga teng eni esa 15 sm. Shu to'rtburchakning bo'yini toping? A) 20 B) 36 C) 23 D) 18 5 / 25 Quyidagilardan qaysi biri chiziqli funksiyaga misol bo'ladi? A) y=250 B) y=2x+5 C) y=3x² D) y=2x²+3 6 / 25 y=kx+b funksiya qanday funksiyaga misol bo`ladi. A) grafikli B) chiziqli C) formulali D) jadvalli 7 / 25 Tenglamani yeching A) x₁,₂=±8 B) x₁,₂=√64 C) x₁,₂=-8 D) x₁,₂=8 8 / 25 Tenglamani yeching A) x₁,₂=±12 B) x₁,₂=12 C) x=-12 D) x₁,₂=-12 9 / 25 Tenglmalar sistemasini yeching A) x=-3, y=2 B) x=-2, y=-1 C) x=2, y=2 D) x=2, y=1 10 / 25 Kvadrat tenglamani yeching =0 A) x₁=0, x₂=2 B) x₁=3, x₂=2 C) x₁=-3, x₂=2 D) x₁=-3, x₂=-2 11 / 25 Tenglamani yeching A) x₁,₂=1 ,x₃,₄=±2 B) x₁,₂=±1 ,x₃,₄=±2 C) x₁,₂=±4 ,x₃,₄=1 D) x₁,₂=±4 ,x₃,₄=-1 12 / 25 Kvadrat tenglamani yeching A) x₁=-1/3, x₂=-1/4 B) x₁=0, x₂=-1 C) x₁=-1/3, x₂=1/4 D) x₁=1/3, x₂=1/4 13 / 25 a ning qanday qiymatlarida tenglamalar sistemasi yechimga ega bo`lmaydi. A) 0 B) 2 C) -3 D) 1 14 / 25 Ikki xonali sonning raqamlari yig`indisi 9 ga teng. Shu raqamlar bilan teskari tartibda yozilgan son berilgan sondan 27 ta ortiq. Berilgan sonni toping. A) 36 B) 20 C) 72 D) 26 15 / 25 Tengsizliklar sistemasining yechimi bo`ladigan eng katta butun sonni toping: A) x=3 B) x=-2 C) x=1 D) x=-1 16 / 25 x ning qanday qiymatlarida kasrdan katta bo`ladi? A) x<3/16 B) x>-1/16 C) x>1/16 D) x<-3/16 17 / 25 7x+53(x-1)-4x tengsizlikning yechimi bo`ladigan eng kichik butun sonni toping. A) x=1 B) x=2 C) x=-1 D) x=-2 18 / 25 Asoslari 8 va 12 ga teng bo’lgan teng yonli trapetsiyaning diagonallari o’zaro perpendikulyar. Uning yuzini toping. A) 64 B) 100 C) 144 D) 76 19 / 25 Tengsizliklarni hadma-had ko’paytiring: 3,2>3,1 va 3>2 A) 9,6>6 B) -9,6<-6,2 C) 9,6>6 D) 9,6>6,2 20 / 25 x1=4,92 son x2=4,9 bo’lsa, yaqinlashish xatoligini toping? A) 0,02 B) 0,09 C) 0,8 D) 0,9 21 / 25 Rombning diagonallari 18 sm va 24 sm uning perimetrini toping A) 60 sm B) 40 sm C) 50 sm D) 30 sm 22 / 25 Yuzi 144 sm² , balandliklari 8 sm va 12 sm bo’lgan paraleligramning perimetrini toping. A) 46 sm B) 56 sm C) 40 sm D) 60 sm 23 / 25 5 : 13 sonini 0,001 gacha aniqlikdagi o’nli kasr ko’rinishida tasvirlang: A) 0,538 B) 0,835 C) 0,385 D) 0,853 24 / 25 Agar kvadratning yuzi 36/49 mm2 ga teng bo’lsa, uning tomonini toping? A) 6/8mm B) 6/7mm C) 6/7 sm D) 7/6 mm 25 / 25 3 : 7 sonining 0,43 o’nli kasrga yaqinlashish xatoligini toping? A) 1/700 B) 1/300 C) 1/500 D) 1/600 0% Testni qayta ishga tushiring Baholash mezoni 86%-100% 5 baho 71%-85% 4 baho 56%-70% 3 baho 55% va kamiga 2 baho Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz