9-sinf Matematika 2-chorak Aprel 15, 2021Aprel 15, 2021 da chop etilgan InfoMaster tomonidan 9-sinf Matematika 2-chorak ga fikr bildirilmagan. 96 OMAD YOR BO'LSIN! 9-sinf Matematika 2-chorak Testni Salomov Sardor tayyorladi. 1 / 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) 10 m C) 15 m D) 45 m 2 / 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) 158 sm B) 168 sm C) 178 sm D) 148 sm 3 / 25 y = 4x2 +12x +9 funksiyaning o`sish oralig`ini toping A) (-1,5; ∞) B) (-∞; 1,5) C) (-∞; -1,5) D) (1,5; ∞) 4 / 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 5 / 25 4x2 + 4x +1 ≤0 tengsizlikni yeching A) x = - 1/2 B) (-∞; -1/2) C) (-∞; -1)U(4;∞) D) (- ∞; ∞) 6 / 25 y = -2x2 +6 funksiyaning grafigi qaysi koordinata choraklarida joylashgan ? A) I, II, III, IV B) III, IV C) I, II D) I, III, IV 7 / 25 Agar (-1;2) nuqta y = kx2 +3x – 4 parabolaga tegishli bo`lsa, k ning qiymatini toping A) 6 B) -1 C) 9 D) 1 8 / 25 Kvadrat funksiyaning nollarini toping: y = x2 - 5x + 6 A) x₁=2, x₂ =3 B) x₁=1, x₂=6 C) x₁= -1, x₂= - 6 D) x₁= -2, x₂= -3 9 / 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) 10 / 25 Funksiyaning eng kichik qiymatini toping: y = x2 + 4x + 5 A) 9 B) 1 C) 3 D) 5 11 / 25 x2 + 8x+15 ≤ 0 tengsizlikning butun yechimlari yig`indisini toping A) -4 B) 23 C) 12 D) -12 12 / 25 Teng yonli trapetsiyaning ikkita burchagi ayirmasi 400 ga teng. uning burchaklarini toping A) 135°; 45°; 135°; 45° B) 115° ; 75° ; 115° ; 75° C) 110°; 70°; 110°; 70° D) 140°; 40°; 140°; 40° 13 / 25 Agar sina=3/5 va 90°° bo’lsa, сosa ni toping A) 3/4 B) 4/5 C) -4/5 D) -3/4 14 / 25 Hisoblang A) 7 B) 6 C) 2 D) -2 15 / 25 Hisoblang A) -1 B) 1 C) 55/88 D) 2/1 16 / 25 Uchburchak medianalari uchun noto’g’ri tasdiqni ko’rsating A) Har biri uchburchakni ikkita tengdosh qismga ajratadi B) Bir nuqtada kesishadi C) Bir – biriga teng D) Kesishish nuqtasida 2:1 nisbatda bo’linadi 17 / 25 Funksiyaning aniqlanish sohasini toping A) x≥ 1 B) x≠1 C) x≤1 D) (-∞;+∞ ) 18 / 25 Hisoblang A) √7 B) √589 C) √2 D) √23 19 / 25 Amallarni bajaring: A) 213 B) 61 C) 60 D) 69 20 / 25 Hisoblang: A) 5,76 B) 3,4 C) 24 D) 2,4 21 / 25 Hisoblang A) 2 B) 8 C) 53 D) 45 22 / 25 Parabola uchining koordinatalarini toping: y=x2+6x+5 A) (-3;4) B) (3;-4) C) (3;4) D) (-3;-4) 23 / 25 Tenglamaning musbat ildizini toping A) 32 B) 64 C) 45 D) 9 24 / 25 Proporsiyaning noma’lum hadini toping A) 14/11 B) 2 C) 7/11 D) 1 25 / 25 x= -2 da y=2x2 +5x-3 funksiyaning qiymatini toping A) -5 B) -4 C) 5 D) 0,5 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