9-sinf Matematika 2-chorak Aprel 15, 2021Aprel 15, 2021 da chop etilgan InfoMaster tomonidan 9-sinf Matematika 2-chorak ga fikr bildirilmagan. 2 OMAD YOR BO'LSIN! 9-sinf Matematika 2-chorak Testni Salomov Sardor tayyorladi. 1 / 25 y = 4x2 +12x +9 funksiyaning o`sish oralig`ini toping A) (-∞; 1,5) B) (-∞; -1,5) C) (1,5; ∞) D) (-1,5; ∞) 2 / 25 x2 + 8x+15 ≤ 0 tengsizlikning butun yechimlari yig`indisini toping A) 23 B) -12 C) -4 D) 12 3 / 25 A(7;11), B(10; 7) bo`lsa, AB kesmaning uzunligini toping A) 7 B) 35 C) 5 D) 147 4 / 25 Agar (-1;2) nuqta y = kx2 +3x – 4 parabolaga tegishli bo`lsa, k ning qiymatini toping A) 9 B) -1 C) 1 D) 6 5 / 25 p ning nechta butun qiymatida x2 + px +4 = 0 tenglama haqiqiy ildizga ega emas A) 16 B) 9 C) 4 D) 7 6 / 25 4x2 + 4x +1 ≤0 tengsizlikni yeching A) x = - 1/2 B) (- ∞; ∞) C) (-∞; -1/2) D) (-∞; -1)U(4;∞) 7 / 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 8 / 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) 0,6 ga C) 3 ga D) 2 ga 9 / 25 Funksiyaning eng kichik qiymatini toping: y = x2 + 4x + 5 A) 1 B) 3 C) 5 D) 9 10 / 25 Teng yonli trapetsiyaning ikkita burchagi ayirmasi 400 ga teng. uning burchaklarini toping A) 140°; 40°; 140°; 40° B) 110°; 70°; 110°; 70° C) 115° ; 75° ; 115° ; 75° D) 135°; 45°; 135°; 45° 11 / 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) 148 sm C) 178 sm D) 168 sm 12 / 25 Quyidagi tengsizliklardan qaysi biri kvadrat tengsizlik ekanini toping A) x⁴-4< 0 B) 41x² – 9x + 1 < 0 C) 2x³ + 3x²-4x +7 > 0 D) 4x -5 > 0 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) 31,5 sm B) 48 sm C) 42 sm D) 40,5 sm 14 / 25 Amallarni bajaring: A) 69 B) 213 C) 61 D) 60 15 / 25 Parabola uchining koordinatalarini toping: y=x2+6x+5 A) (-3;-4) B) (3;4) C) (-3;4) D) (3;-4) 16 / 25 Hisoblang A) 8 B) 45 C) 2 D) 53 17 / 25 Funksiyaning aniqlanish sohasini toping A) x≠1 B) (-∞;+∞ ) C) x≤1 D) x≥ 1 18 / 25 Ikkita gomotetik ko’pburchak uchun to’g’ri tasdiqni ko’rsating A) Ular tengdosh B) To’g’ri javob yo’q C) Ular teng D) Ular o’xshash 19 / 25 Hisoblang A) 3 B) -2 C) 2 D) 9 20 / 25 Agar 90°° bo’lsa, quyidagilardan qaysi biri musbat A) tga B) sina C) ctga D) cosa 21 / 25 Ifodani soddalashtiring: (13x2-8xy-y2 )+( -11x2 -9xy+y2) A) 17xy B) 2x² -17xy C) 2x² D) x² -xy 22 / 25 Proporsiyaning noma’lum hadini toping A) 2 B) 1 C) 14/11 D) 7/11 23 / 25 Sonlarni taqqoslang A) b<a B) a = b + 0,5 C) b=a+0,8 D) b=a 24 / 25 sin60° nimaga teng A) 1/2 B) 1 C) √2/2 D) √3/2 25 / 25 Tenglamaning musbat ildizini toping A) 64 B) 9 C) 45 D) 32 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