9-sinf Matematika 2-chorak Aprel 15, 2021Aprel 15, 2021 da chop etilgan InfoMaster tomonidan 9-sinf Matematika 2-chorak ga fikr bildirilmagan. 90 OMAD YOR BO'LSIN! 9-sinf Matematika 2-chorak Testni Salomov Sardor tayyorladi. 1 / 25 Tenglamaning musbat ildizini toping A) 45 B) 64 C) 9 D) 32 2 / 25 tg60° ni toping A) 1 B) √3 C) √2/2 D) √2 3 / 25 Agar va 90°° bo’lsa, sina ni toping A) 14/13 B) 12/13 C) 5/12 D) 5/13 4 / 25 Ikkita gomotetik ko’pburchak uchun to’g’ri tasdiqni ko’rsating A) Ular teng B) Ular o’xshash C) Ular tengdosh D) To’g’ri javob yo’q 5 / 25 Sonlarni taqqoslang A) b<a B) b=a C) b=a+0,8 D) a = b + 0,5 6 / 25 Funksiyaning aniqlanish sohasini toping: y=4x2+5 A) (5/4;+∞) B) (0;5/4) C) (1;2) D) (-∞,+∞) 7 / 25 Ifodani soddalashtiring: (13x2-8xy-y2 )+( -11x2 -9xy+y2) A) 17xy B) 2x² C) x² -xy D) 2x² -17xy 8 / 25 Proporsiyaning noma’lum hadini toping A) 7/11 B) 14/11 C) 1 D) 2 9 / 25 Hisoblang A) 7 B) 2 C) -2 D) 6 10 / 25 Parabola uchining koordinatalarini toping: y=x2+6x+5 A) (3;4) B) (3;-4) C) (-3;4) D) (-3;-4) 11 / 25 Hisoblang: A) 5,76 B) 24 C) 2,4 D) 3,4 12 / 25 Tengsizlikni yeching: (x – 6)(x – 13) <0 A) (-∞;-13) U (6; ∞) B) (-∞;6) U (13; ∞) C) (-13; -6) D) (6;13) 13 / 25 Berilgan uchburchak tomonlari 21 sm, 27 sm va 32 sm. Agar perimetri 120 sm bo`lgan uchburchak berilgan uchburchakka o`xshash bo`lsa, uning eng katta tomonini toping A) 40,5 sm B) 42 sm C) 48 sm D) 31,5 sm 14 / 25 A(7;11), B(10; 7) bo`lsa, AB kesmaning uzunligini toping A) 147 B) 5 C) 7 D) 35 15 / 25 Agar (-1;2) nuqta y = kx2 +3x – 4 parabolaga tegishli bo`lsa, k ning qiymatini toping A) -1 B) 9 C) 1 D) 6 16 / 25 Ikkita o`xshash ABC va DEF uchburchaklar berilgan. Agar SABC = 75 m2 , SDEF = 675 m2 va ABC uchburchakning bir tomoni 5 m bo`lsa, DEF uchburchakning unga mos tomonini toping A) 25 m B) 15 m C) 10 m D) 45 m 17 / 25 Bo`yi 160 sm bo`lgan o`quvchi soyasining uzunligi 128 sm bo`lsa, bo`yi 210 sm bo`lgan basketbolchining soyasining uzunligini toping A) 168 sm B) 178 sm C) 148 sm D) 158 sm 18 / 25 Tengsizlikni yeching: (x + 4)(x + 9) >0 A) (-∞;4) U (9; ∞) B) (4; 9) C) (-9; -4) D) (-∞; -9) U (-4; ∞) 19 / 25 y = -2x2 +6 funksiyaning grafigi qaysi koordinata choraklarida joylashgan ? A) III, IV B) I, III, IV C) I, II, III, IV D) I, II 20 / 25 y = x2 +x -6 funksiya x ning qanday qiymatlarida manfiy qiymatlar qabul qiladi A) (-3; 2) B) (-∞;2) U (3; ∞) C) (-∞;1) U (6; ∞) D) (2; 3) 21 / 25 Quyidagi tengsizliklardan qaysi biri kvadrat tengsizlik ekanini toping A) 4x -5 > 0 B) x⁴-4< 0 C) 2x³ + 3x²-4x +7 > 0 D) 41x² – 9x + 1 < 0 22 / 25 AB va CD kesmalar O nuqtada kesishadi, AO = 12m, BO = 3 sm, CO = 28 sm, DO = 7 sm bo`lsa, AOC va BOD uchburchaklar yuzlari nisbatini toping A) 9 B) 16 C) 4 D) 12 23 / 25 4x2 + 4x +1 ≤0 tengsizlikni yeching A) x = - 1/2 B) (- ∞; ∞) C) (-∞; -1)U(4;∞) D) (-∞; -1/2) 24 / 25 Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ? A) y = 2x -3 B) y = 5x⁴ + 6x C) y = 2010x² + 41x + 9 D) y = 3x² + x³ – 8 25 / 25 Kvadrat tengsizlikni yeching: x2 – 4x +6 > 0 A) (-∞;1) U (6; ∞) B) (2; 3) C) to'g'ri javob yo`q D) (-4; 6) 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:9-sinf, matematika