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 Ifodani soddalashtiring: (13x2-8xy-y2 )+( -11x2 -9xy+y2) A) 2x² B) 2x² -17xy C) 17xy D) x² -xy 2 / 25 Uchburchak medianalari uchun noto’g’ri tasdiqni ko’rsating A) Har biri uchburchakni ikkita tengdosh qismga ajratadi B) Bir nuqtada kesishadi C) Kesishish nuqtasida 2:1 nisbatda bo’linadi D) Bir – biriga teng 3 / 25 Amallarni bajaring: A) 61 B) 69 C) 60 D) 213 4 / 25 Ifodaning qiymatini toping: (-8)2-(-5)3-(12) 2 A) 48 B) 189 C) 122 D) 45 5 / 25 Sonlarni o’sish tartibida joylashtiring A) a<b<c B) c<a<b C) c>a>b D) b<a<c 6 / 25 sina=1/2 bo’lgan o’tkir burchakni ko’rsating A) 45° B) 30° C) 60° D) 90° 7 / 25 Hisoblang A) √7 B) √2 C) √589 D) √23 8 / 25 x= -2 da y=2x2 +5x-3 funksiyaning qiymatini toping A) 5 B) -5 C) -4 D) 0,5 9 / 25 Parabola uchining koordinatalarini toping: y =(x-3)²+2 A) (-3; 2) B) (3; -2) C) (3; 2) D) (-3; - 2) 10 / 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 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) 178 sm B) 168 sm C) 148 sm D) 158 sm 12 / 25 A(7;11), B(10; 7) bo`lsa, AB kesmaning uzunligini toping A) 5 B) 147 C) 7 D) 35 13 / 25 Kvadrat funksiyaning nollarini toping: y = x2 - 5x + 6 A) x₁=1, x₂=6 B) x₁= -2, x₂= -3 C) x₁=2, x₂ =3 D) x₁= -1, x₂= - 6 14 / 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) 10 m B) 45 m C) 25 m D) 15 m 15 / 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; ∞) 16 / 25 p ning nechta butun qiymatida x2 + px +4 = 0 tenglama haqiqiy ildizga ega emas A) 16 B) 7 C) 4 D) 9 17 / 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) 0,6 ga B) 2,4 ga C) 3 ga D) 2 ga 18 / 25 y = 4x2 +12x +9 funksiyaning o`sish oralig`ini toping A) (1,5; ∞) B) (-∞; -1,5) C) (-1,5; ∞) D) (-∞; 1,5) 19 / 25 x2 + 8x+15 ≤ 0 tengsizlikning butun yechimlari yig`indisini toping A) 12 B) -4 C) 23 D) -12 20 / 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) 16 B) 9 C) 12 D) 4 21 / 25 x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi A) (x - 29)(x - 31) > 0 B) (x-7)(x-2010) > 0 C) (x +1)(x + 42) < 0 D) (x-30)(x-34) < 0 22 / 25 Teng yonli trapetsiyaning ikkita burchagi ayirmasi 400 ga teng. uning burchaklarini toping A) 140°; 40°; 140°; 40° B) 110°; 70°; 110°; 70° C) 135°; 45°; 135°; 45° D) 115° ; 75° ; 115° ; 75° 23 / 25 Funksiyaning eng kichik qiymatini toping: y = x2 + 4x + 5 A) 3 B) 5 C) 1 D) 9 24 / 25 y = x2 +x -6 funksiya x ning qanday qiymatlarida manfiy qiymatlar qabul qiladi A) (-3; 2) B) (-∞;1) U (6; ∞) C) (2; 3) D) (-∞;2) U (3; ∞) 25 / 25 Quyidagi tengsizliklardan qaysi biri kvadrat tengsizlik ekanini toping A) 41x² – 9x + 1 < 0 B) 2x³ + 3x²-4x +7 > 0 C) 4x -5 > 0 D) x⁴-4< 0 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