Algebraik ifodaning qiymatini toping: +, bunda x=9, y = -10 3 b -2 c -3 d -4
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2-Variant Algebraik ifodaning qiymatini toping: + , bunda x=9, y = -10 3 B) -2 C) -3 D) -4 Kasirni qisqartiring: 36a2+24ab 24a2+36ab 3a + 2b B) 3a+2b C) 2a+3b D) 3a-2b 2a + 3b Amallarni bajaring: - + A) 8x2-2y2+6xy B) 6xy-3y+4x2y C) 8x2-2y2+5xy D) 12x2y+4xy-2x2 12x2y3 4) Qavariq to’rtburchakning burchaklari 3, 5, 7 va 9 sonlariga proparsianal. Shu burchaklarni toping. 120; 300; 1000; 1250 B) 450; 750; 1050; 1350 C) 550; 650; 1050; 1450 D) 650; 750; 1150; 1550 5) Kasrlarni ko’paytiring. B) C) 2mk D) 4nd 6) Hisoblang: : A) 9 B) 10 C)7 D)8 7) Hisoblang: a=2,7 bo’lganda 5 ning toping. A) 3,7 B) 2,8 C) 2,7 D) 4,7 8) Ifodani soddalashtiring. (+) + ( - ) A) B) C) D) 9) Hisoblang: A) 2 B) 3 C) 1 D) 4 10) To’g’ri to’rtburchakning perimetri 24 sm.To’g’ri to’rtburchakning ixtiyoriy ichki nuqtasidan uning tomonlarigacha bo’lgan masofalar yig’indisini toping. A) 10 B) 12 C) 13 D) 11 11) Agar b – a = -1,3 bo’lsa, a va b sonlarni taqqoslang. A) ba C) a 12) -25>-30 ni -5 ga bo’ling. A) 7>4 B) -5>-6 C) 5<6 D) -6<5 13) Tengsizliklarni qo’shing. 3x+y<2x+1 va 3y – 2x<14-2a A) x+4y<2x-2a+15 B) x+4y>2x-2a+15 C) x-4y< 2x+3a-14 D) 4y-x> 2a+2x 14) Tenglamani yeching. 32-y = 27 A) -2 B) -1 C) 1 D) -3 15) tengsizlikni yeching. x+2<3(x+2)-4 A) x<0 B) x=1 C) x>0 D) x<3 16) Tenglamani yeching. 8x4x+13 = 17) Parallelogrammning perimetri 152 sm, tomonlaridan biri ikkinchisidan 25 sm ortiq parallelogram tomonlarini toping. 18) Agar sin= bo’lsa, cos ni toping. 19) Tengsizlikni yeching. 3(x-2) + 2x<4x+1 20)Tengsizliklar sistemasini yeching.
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