7-sinf Matematika 3-chorak Aprel 7, 2021Aprel 7, 2021 da chop etilgan InfoMaster tomonidan 7-sinf Matematika 3-chorak ga fikr bildirilmagan. 2 OMAD YOR BO'LSIN! 7-sinf Matematika 3-chorak Testni Mamadoliyev Diyorbek tayyorladi. 1 / 25 Algebraik kasrning son qiymatini toping: (a-b)/(a+2b), bunda a=16, b= -3. A) 1.6 B) 1.9 C) 13/22 D) 1.3 2 / 25 Quyidagi mulohazalardan qaysi biri noto`g`ri ? A) Uchburchakda katta tomon qarshisida katta burchak yotadi . B) Uchburchakda kichik burchak qarshisida katta tomon yotadi. C) Uchburchakda kichik burchak qarshisida kichik tomon yotadi D) Uchburchakda katta burchak qarshisida katta tomon yotadi. 3 / 25 Tog`ri burchakli uchburchakning gipotenuzasi 12 sm, 300 li burchak qarshisidagi katet uzunligini toping. A) 6 sm B) 12 sm C) 4 sm D) 9 sm 4 / 25 Ko`paytuvchilarga ajrating: 3a3 – 3. A) 3(a-1)(a²+a+1) B) 3 (a-1)(a+1) C) 3(a-1)(a²- a-1) D) 3(a-1)(a²-a+1) 5 / 25 O`xshash hadlarni ixchamlang: 5a2 – 4b2 – 3a2 + b2 A) -6a²b² B) 2a²-3b² C) a²-2b² D) 6a²b² 6 / 25 Kasrlarning ayirmasini toping A) -1/5 B) (5b-2)/5b C) 3/5b D) 1/4b 7 / 25 Tenglamaning ildizlarini toping: x2 – 49 = 0. A) -7 B) 49 va – 49 C) 7 D) 7 va -7 8 / 25 Soddalashtiring: (c-3)2 – (c+3)(3-c) A) 2c²– 6c B) -6c C) 2c²–6c+18 D) 0 9 / 25 Hisoblang: (12a4b3 +21a2b4) : 3a2b3 A) 4a² + 7ab B) 4ab + 7b C) 4a + 7 b D) 4a² + 7b 10 / 25 Ko`paytuvchilarga ajrating: 16a2 – 81. A) (4a-9)(4a+9) B) (4a – 9)² C) (4a-3)(4a+3) D) (16a – 81)(16a +81) 11 / 25 Hisoblang: 139∙15 + 18∙139 + 15∙261 + 18∙261. A) 132400 B) 1324 C) 1320 D) 13200 12 / 25 Hisoblang: A) 3 B) 1/3 C) 1/9 D) 9 13 / 25 Ifodani soddalashtiring: A) 10a + 6b B) 6b C) 2a D) 10a 14 / 25 Teng yonli uchburchakning asosi yon tomonidan 3 birlikka kam, perimetri 36 ga teng bo`lsa uchburchakning yon tomonini toping. A) 13 B) 8 C) 12 D) 10 15 / 25 Ko`phadning son qiymatini toping: x2 +2xy +y2, bunda x = 1,2, y = -1,2. A) 2 B) 1 C) 0 D) 5,76 16 / 25 n ning qanday qiymatida tenglik to`g`ri bo`ladi: A) 2 B) 8 C) 3 D) 1 17 / 25 Uchburchakning bir uchidan shu uchining qarshisidagi tomonga tushirilgan perpendikulyar nima deb ataladi A) balandlik B) bissektrisa C) to`g`ri javob yo`q D) mediana 18 / 25 Algebraik ifodaning qiymatini toping: 3a + 2b, bunda a = 3, b = -5. A) 0 B) 19 C) -1 D) 4 19 / 25 Agar bo`lsa, BC ni toping. ? A) 7,3 sm B) 17,3 sm C) 5,3 sm D) 4,3 sm 20 / 25 Tenglamani yeching: 12x - 48 = 5x +1. A) -49/17 B) 3 C) 7 D) 1 21 / 25 Teng yonli uchburchakning asosining uzunligi a ga teng bo`lib, u yon tomonlaridan 5 ga ortiq. Shu uchburchakning perimetrini hisoblash uchun ifoda tuzing. A) 3a B) 3a -10 C) 3a + 10 D) 3a +5 22 / 25 75 gradusli burchakka qo`shni burchakni toping. A) 45 gradus B) 15 gradus C) 115 gradus D) 105 gradus 23 / 25 Algebraik ifodaning son qiymatini hisoblang: bunda, A) 3 B) 4 C) 5 D) -5 24 / 25 Har biri x so`mdan 12 ta daftar va har biri y so`mdan 2 ta ruchka sotib olindi. Hamma xarid qancha turadi ? A) 14 +x +y B) 12x + 2y C) (x + 12) • (y + 2) D) 14xy 25 / 25 Bo`yi enidan 3 marta katta bo`lgan to`g`ri to`rtburchakning perimetri 120 sm ga teng. Shu to`g`ri to`rtburchakning bo`yini toping. A) 90 sm B) 15 sm C) 60 sm D) 45 sm 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 Matematika choraklik Teglar:7-sinf, matematika