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 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 +5 B) 3a + 10 C) 3a D) 3a -10 2 / 25 Tenglik shaklida yozing: a va b sonlari yig`indisining ikkilangani ularning ko`paytmasiga teng. A) a + b • 2 = a • b B) a + b = 2 • a • b C) 2∙(a+b) = a • b D) 2∙(a+b) = 2a • b 3 / 25 Tenglamani yeching: A) -3/5 B) -4,2 C) 21 D) 3/5 4 / 25 Agar bo`lsa, BC ni toping. ? A) 7,3 sm B) 5,3 sm C) 4,3 sm D) 17,3 sm 5 / 25 a sonni shunday tanlangki, 3x - 4 = a - 2x tenglama x = 1 ildizga ega bo`lsin A) -9 B) 5 C) 0 D) 1 6 / 25 Tenglamani yeching: (3x - 4) - (6 - 2x) = 3. A) 3,8 B) 1,2 C) 2,6 D) 13 7 / 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) 14xy C) 12x + 2y D) (x + 12) • (y + 2) 8 / 25 Algebraik ifodaning son qiymatini hisoblang: bunda, A) 3 B) -5 C) 4 D) 5 9 / 25 To`g`ri chiziqning ixtiyoriy nuqtasidan unga nechta perpendikulyar to`g`ri chiziq o`tkazish mumkin ? A) 1 B) 2 C) 5 D) istalgancha 10 / 25 Teng yonli uchburchakning perimetri 48, yon tomoni 18 ga teng. Uning asosini toping A) 12 B) 16 C) 18 D) 14 11 / 25 Birhadning son qiymatini toping:, bunda y = -15, x = 6. A) 1 B) 18 C) 3 D) 12 12 / 25 Algebraik ifodaning qiymatini toping: bunda a= 2 b=5 A) 50 B) 1250 C) 250 D) 0 13 / 25 Hisoblang: A) b² B) a² C) a/b D) a²b² 14 / 25 Teng yonli uchburchakning asosi yon tomonidan 3 birlikka kam, perimetri 36 ga teng bo`lsa uchburchakning yon tomonini toping. A) 8 B) 10 C) 12 D) 13 15 / 25 To`g`ri chiziqning ixtiyoriy nuqtasidan unga nechta perpendikulyar to`g`ri chiziq o`tkazish mumkin ? A) 3 B) 1 C) 2 D) istalgancha 16 / 25 Agar uchburchakning ikkita burchagi 600 va 400 ga teng bo`lsa, uning noma’lum burchagini toping A) 80° B) 100° C) 120° D) 20° 17 / 25 Ko`paytuvchilarga ajrating: 16a2 – 81. A) (16a – 81)(16a +81) B) (4a – 9)² C) (4a-3)(4a+3) D) (4a-9)(4a+9) 18 / 25 Hisoblang: (12a4b3 +21a2b4) : 3a2b3 A) 4a² + 7ab B) 4a² + 7b C) 4a + 7 b D) 4ab + 7b 19 / 25 Algebraik kasrning son qiymatini toping: (a-b)/(a+2b), bunda a=16, b= -3. A) 1.6 B) 1.3 C) 1.9 D) 13/22 20 / 25 Ko`paytuvchilarga ajrating: 3a3 – 3. A) 3(a-1)(a²+a+1) B) 3(a-1)(a²-a+1) C) 3 (a-1)(a+1) D) 3(a-1)(a²- a-1) 21 / 25 Hisoblang: 29,42 – 29,32. A) 0,01 B) 58,7 C) 5,87 D) 0, 587 22 / 25 Ko`paytirishni bajaring: (x2 + 1)(x -1)(x+1) A) x⁴ – 1 B) (x - 1)⁴ C) (x + 1)⁴ D) x⁴+1 23 / 25 x ni shunday birhadga almashtiringki, natijada ikkihadning kvadrati hosil bo`lsin: a2 – 6ab + x A) 9b² B) b² C) 3b D) 36b² 24 / 25 Kasrni qisqartiring: A) 3b/a B) 3/a C) 3/ab D) b/3a 25 / 25 Soddalashtiring: (c-3)2 – (c+3)(3-c) A) 0 B) 2c²– 6c C) 2c²–6c+18 D) -6c 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