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 Funksiyaning eng kichik qiymatini toping: y = x2 + 4x + 5 A) 9 B) 3 C) 1 D) 5 2 / 25 y = -2x2 +6 funksiyaning grafigi qaysi koordinata choraklarida joylashgan ? A) I, III, IV B) I, II, III, IV C) III, IV D) I, II 3 / 25 To`rtburchak shaklidagi paxta maydoni xaritada yuzi 12 sm2 bo`lgan to`rtburchak bilan tasvirlanadi. Agar xarita masshtabi 1: 5000 bo`lsa, maydonning haqiqiy yuzini toping A) 2,4 ga B) 3 ga C) 0,6 ga D) 2 ga 4 / 25 Teng yonli trapetsiyaning ikkita burchagi ayirmasi 400 ga teng. uning burchaklarini toping A) 110°; 70°; 110°; 70° B) 115° ; 75° ; 115° ; 75° C) 140°; 40°; 140°; 40° D) 135°; 45°; 135°; 45° 5 / 25 Kvadrat funksiyaning nollarini toping: y = x2 - 5x + 6 A) x₁= -2, x₂= -3 B) x₁= -1, x₂= - 6 C) x₁=2, x₂ =3 D) x₁=1, x₂=6 6 / 25 Parabola uchining koordinatalarini toping: y =(x-3)²+2 A) (-3; 2) B) (3; 2) C) (-3; - 2) D) (3; -2) 7 / 25 A(7;11), B(10; 7) bo`lsa, AB kesmaning uzunligini toping A) 5 B) 7 C) 35 D) 147 8 / 25 x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi A) (x-30)(x-34) < 0 B) (x - 29)(x - 31) > 0 C) (x +1)(x + 42) < 0 D) (x-7)(x-2010) > 0 9 / 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) 178 sm B) 148 sm C) 168 sm D) 158 sm 10 / 25 Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ? A) y = 3x² + x³ – 8 B) y = 2010x² + 41x + 9 C) y = 2x -3 D) y = 5x⁴ + 6x 11 / 25 y = 4x2 +12x +9 funksiyaning o`sish oralig`ini toping A) (-1,5; ∞) B) (-∞; -1,5) C) (1,5; ∞) D) (-∞; 1,5) 12 / 25 Kvadrat tengsizlikni yeching: x2 – 4x +6 > 0 A) (-∞;1) U (6; ∞) B) (2; 3) C) (-4; 6) D) to'g'ri javob yo`q 13 / 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) 15 m B) 25 m C) 45 m D) 10 m 14 / 25 Kvadrat tengsizlikni yeching: 3x2 – 5x -2 > 0 A) (-∞; -1/3 ) U ( 2; ∞) B) (-∞; 1/3 ) U ( 2; ∞) C) (1/3 ; 2) D) (-1/3 ; 2) 15 / 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 16 / 25 Hisoblang: A) 3,4 B) 2,4 C) 5,76 D) 24 17 / 25 Hisoblang A) 9 B) -2 C) 3 D) 2 18 / 25 tg60° ni toping A) √3 B) 1 C) √2 D) √2/2 19 / 25 Hisoblang A) 2 B) 6 C) 7 D) -2 20 / 25 Tenglamaning musbat ildizini toping A) 64 B) 9 C) 32 D) 45 21 / 25 Agar va 90°° bo’lsa, sina ni toping A) 5/12 B) 5/13 C) 12/13 D) 14/13 22 / 25 Amallarni bajaring: A) 60 B) 61 C) 69 D) 213 23 / 25 Ifodaning qiymatini toping: (-8)2-(-5)3-(12) 2 A) 48 B) 189 C) 122 D) 45 24 / 25 Funksiyaning aniqlanish sohasini toping A) x≥ 1 B) x≤1 C) x≠1 D) (-∞;+∞ ) 25 / 25 Proporsiyaning noma’lum hadini toping A) 7/11 B) 1 C) 14/11 D) 2 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