9-sinf Matematika 2-chorak Aprel 15, 2021Aprel 15, 2021 da chop etilgan InfoMaster tomonidan 9-sinf Matematika 2-chorak ga fikr bildirilmagan. 0 OMAD YOR BO'LSIN! 9-sinf Matematika 2-chorak Testni Salomov Sardor tayyorladi. 1 / 25 x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi A) (x-7)(x-2010) > 0 B) (x-30)(x-34) < 0 C) (x +1)(x + 42) < 0 D) (x - 29)(x - 31) > 0 2 / 25 Uchburchak medianalari uchun noto’g’ri tasdiqni ko’rsating A) Bir – biriga teng B) Har biri uchburchakni ikkita tengdosh qismga ajratadi C) Kesishish nuqtasida 2:1 nisbatda bo’linadi D) Bir nuqtada kesishadi 3 / 25 Proporsiyaning noma’lum hadini toping A) 7/11 B) 1 C) 2 D) 14/11 4 / 25 Hisoblang A) 2 B) -2 C) 9 D) 3 5 / 25 Agar (-1;2) nuqta y = kx2 +3x – 4 parabolaga tegishli bo`lsa, k ning qiymatini toping A) 6 B) 9 C) 1 D) -1 6 / 25 Hisoblang A) 6 B) 2 C) -2 D) 7 7 / 25 Ifodani soddalashtiring: (13x2-8xy-y2 )+( -11x2 -9xy+y2) A) x² -xy B) 2x² C) 17xy D) 2x² -17xy 8 / 25 Quyidagi tengsizliklardan qaysi biri kvadrat tengsizlik ekanini toping A) x⁴-4< 0 B) 4x -5 > 0 C) 41x² – 9x + 1 < 0 D) 2x³ + 3x²-4x +7 > 0 9 / 25 sin60° nimaga teng A) 1/2 B) √3/2 C) √2/2 D) 1 10 / 25 p ning nechta butun qiymatida x2 + px +4 = 0 tenglama haqiqiy ildizga ega emas A) 9 B) 4 C) 7 D) 16 11 / 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) 31,5 sm B) 42 sm C) 48 sm D) 40,5 sm 12 / 25 Funksiyaning aniqlanish sohasini toping: y=4x2+5 A) (5/4;+∞) B) (0;5/4) C) (1;2) D) (-∞,+∞) 13 / 25 4x2 + 4x +1 ≤0 tengsizlikni yeching A) (-∞; -1)U(4;∞) B) (-∞; -1/2) C) x = - 1/2 D) (- ∞; ∞) 14 / 25 x= -2 da y=2x2 +5x-3 funksiyaning qiymatini toping A) 0,5 B) -4 C) -5 D) 5 15 / 25 Sonlarni taqqoslang A) b=a+0,8 B) b<a C) a = b + 0,5 D) b=a 16 / 25 x2 + 8x+15 ≤ 0 tengsizlikning butun yechimlari yig`indisini toping A) 12 B) -12 C) 23 D) -4 17 / 25 Tenglamaning musbat ildizini toping A) 9 B) 64 C) 32 D) 45 18 / 25 Agar sina=3/5 va 90°° bo’lsa, сosa ni toping A) -4/5 B) -3/4 C) 3/4 D) 4/5 19 / 25 Hisoblang: A) 2,4 B) 5,76 C) 3,4 D) 24 20 / 25 sina=1/2 bo’lgan o’tkir burchakni ko’rsating A) 90° B) 45° C) 60° D) 30° 21 / 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) 45 m C) 10 m D) 15 m 22 / 25 Kvadrat tengsizlikni yeching: x2 – 4x +6 > 0 A) to'g'ri javob yo`q B) (-∞;1) U (6; ∞) C) (-4; 6) D) (2; 3) 23 / 25 y = -2x2 +6 funksiyaning grafigi qaysi koordinata choraklarida joylashgan ? A) I, III, IV B) I, II, III, IV C) I, II D) III, IV 24 / 25 Amallarni bajaring: A) 60 B) 213 C) 61 D) 69 25 / 25 Parabolaning koordinata o`qlari bilan kesishish nuqtalarining koordinatalarini toping: y = -2x2 – 8x +10 A) (-2;0), (8;0), (0;6) B) (2;0), (-8;0), (0;-6) C) (1;0), (-5;0), (0;10) D) (-1;0), (5;0), (0;-10) 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
