Uy » Choraklik online testlar » Matematika choraklik » 9-sinf Matematika 2-chorak Matematika choraklik 9-sinf Matematika 2-chorak InfoMaster Aprel 15, 2021 650 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 2 0 OMAD YOR BO'LSIN! Tomonidan yaratilgan InfoMaster 9-sinf Matematika 2-chorak Testni Salomov Sardor tayyorladi. 1 / 25 Kvadrat tengsizlikni yeching: 3x2 – 5x -2 > 0 A) (1/3 ; 2) B) (-∞; 1/3 ) U ( 2; ∞) C) (-1/3 ; 2) D) (-∞; -1/3 ) U ( 2; ∞) 2 / 25 Funksiyaning eng kichik qiymatini toping: y = x2 + 4x + 5 A) 1 B) 5 C) 3 D) 9 3 / 25 x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi A) (x +1)(x + 42) < 0 B) (x-7)(x-2010) > 0 C) (x - 29)(x - 31) > 0 D) (x-30)(x-34) < 0 4 / 25 Kvadrat funksiyaning nollarini toping: y = x2 - 5x + 6 A) x₁=1, x₂=6 B) x₁= -2, x₂= -3 C) x₁= -1, x₂= - 6 D) x₁=2, x₂ =3 5 / 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) 45 m B) 25 m C) 15 m D) 10 m 6 / 25 p ning nechta butun qiymatida x2 + px +4 = 0 tenglama haqiqiy ildizga ega emas A) 4 B) 9 C) 16 D) 7 7 / 25 Parabola uchining koordinatalarini toping: y =(x-3)²+2 A) (-3; 2) B) (3; -2) C) (-3; - 2) D) (3; 2) 8 / 25 A(7;11), B(10; 7) bo`lsa, AB kesmaning uzunligini toping A) 35 B) 5 C) 147 D) 7 9 / 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) 4 B) 12 C) 9 D) 16 10 / 25 Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ? A) y = 2x -3 B) y = 3x² + x³ – 8 C) y = 5x⁴ + 6x D) y = 2010x² + 41x + 9 11 / 25 Teng yonli trapetsiyaning ikkita burchagi ayirmasi 400 ga teng. uning burchaklarini toping A) 140°; 40°; 140°; 40° B) 115° ; 75° ; 115° ; 75° C) 110°; 70°; 110°; 70° D) 135°; 45°; 135°; 45° 12 / 25 Parabolaning koordinata o`qlari bilan kesishish nuqtalarining koordinatalarini toping: y = -2x2 – 8x +10 A) (2;0), (-8;0), (0;-6) B) (1;0), (-5;0), (0;10) C) (-2;0), (8;0), (0;6) D) (-1;0), (5;0), (0;-10) 13 / 25 Ifodaning qiymatini toping: (-8)2-(-5)3-(12) 2 A) 189 B) 45 C) 48 D) 122 14 / 25 Proporsiyaning noma’lum hadini toping A) 1 B) 14/11 C) 2 D) 7/11 15 / 25 Hisoblang A) 2/1 B) 55/88 C) 1 D) -1 16 / 25 Parabola uchining koordinatalarini toping: y=x2+6x+5 A) (3;4) B) (-3;-4) C) (3;-4) D) (-3;4) 17 / 25 Agar 90°° bo’lsa, quyidagilardan qaysi biri musbat A) sina B) tga C) cosa D) ctga 18 / 25 Tenglamaning musbat ildizini toping A) 64 B) 32 C) 45 D) 9 19 / 25 sina=1/2 bo’lgan o’tkir burchakni ko’rsating A) 45° B) 60° C) 30° D) 90° 20 / 25 Ikkita gomotetik ko’pburchak uchun to’g’ri tasdiqni ko’rsating A) To’g’ri javob yo’q B) Ular o’xshash C) Ular tengdosh D) Ular teng 21 / 25 Agar sina=3/5 va 90°° bo’lsa, сosa ni toping A) -3/4 B) 4/5 C) 3/4 D) -4/5 22 / 25 Hisoblang: A) 5,76 B) 2,4 C) 3,4 D) 24 23 / 25 Ifodani soddalashtiring: (13x2-8xy-y2 )+( -11x2 -9xy+y2) A) 2x² -17xy B) 17xy C) 2x² D) x² -xy 24 / 25 Hisoblang A) √589 B) √2 C) √7 D) √23 25 / 25 Funksiyaning aniqlanish sohasini toping A) (-∞;+∞ ) B) x≥ 1 C) x≤1 D) x≠1 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 Foydali bo'lsa mamnunmiz
