Uy » Choraklik online testlar » Matematika choraklik » 9-sinf Matematika 1-chorak Matematika choraklik 9-sinf Matematika 1-chorak InfoMaster Aprel 20, 2021 559 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 3 43 OMAD YOR BO'LSIN! Tomonidan yaratilgan InfoMaster 9-sinf Matematika 1-chorak Testni Salomov Sardor tayyorladi. 1 / 25 Parabolaning koordinata o`qlari bilan kesishish nuqtalarining koordinatalarini toping: y = -2x2 – 8x +10 A) (-2;0), (8;0), (0;6) B) (2;0), (-8;0), (0;-6) C) (-1;0), (5;0), (0;-10) D) (1;0), (-5;0), (0;10) 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) 148 sm B) 168 sm C) 158 sm D) 178 sm 3 / 25 Teng yonli trapetsiyaning ikkita burchagi ayirmasi 400 ga teng. uning burchaklarini toping A) 135°; 45°; 135°; 45° B) 140°; 40°; 140°; 40° C) 110°; 70°; 110°; 70° D) 115° ; 75° ; 115° ; 75° 4 / 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 ga B) 2,4 ga C) 3 ga D) 0,6 ga 5 / 25 y = 4x2 +12x +9 funksiyaning o`sish oralig`ini toping A) (1,5; ∞) B) (-∞; 1,5) C) (-1,5; ∞) D) (-∞; -1,5) 6 / 25 Kvadrat tengsizlikni yeching: x2 – 4x +6 > 0 A) to'g'ri javob yo`q B) (-∞;1) U (6; ∞) C) (-4; 6) D) (2; 3) 7 / 25 Tengsizlikni yeching: (x + 4)(x + 9) >0 A) (-9; -4) B) (-∞;4) U (9; ∞) C) (-∞; -9) U (-4; ∞) D) (4; 9) 8 / 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) 40,5 sm B) 48 sm C) 31,5 sm D) 42 sm 9 / 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; ∞) 10 / 25 Quyidagi funksiyalardan qaysi biri kvadrat funksiya bo`ladi ? A) y = 3x² + x³ – 8 B) y = 2x -3 C) y = 5x⁴ + 6x D) y = 2010x² + 41x + 9 11 / 25 x = 41 qiymat qaysi tengsizlikning yechimi bo`ladi A) (x-30)(x-34) < 0 B) (x-7)(x-2010) > 0 C) (x +1)(x + 42) < 0 D) (x - 29)(x - 31) > 0 12 / 25 x2 + 8x+15 ≤ 0 tengsizlikning butun yechimlari yig`indisini toping A) -4 B) 23 C) -12 D) 12 13 / 25 4x2 + 4x +1 ≤0 tengsizlikni yeching A) (-∞; -1/2) B) (- ∞; ∞) C) (-∞; -1)U(4;∞) D) x = - 1/2 14 / 25 Agar (-1;2) nuqta y = kx2 +3x – 4 parabolaga tegishli bo`lsa, k ning qiymatini toping A) 9 B) 6 C) -1 D) 1 15 / 25 Kvadrat funksiyaning nollarini toping: y = x2 - 5x + 6 A) x₁= -1, x₂= - 6 B) x₁=1, x₂=6 C) x₁= -2, x₂= -3 D) x₁=2, x₂ =3 16 / 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 17 / 25 p ning nechta butun qiymatida x2 + px +4 = 0 tenglama haqiqiy ildizga ega emas A) 7 B) 4 C) 16 D) 9 18 / 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) 15 m C) 45 m D) 25 m 19 / 25 Funksiyaning eng kichik qiymatini toping: y = x2 + 4x + 5 A) 3 B) 9 C) 5 D) 1 20 / 25 y = x2 +x -6 funksiya x ning qanday qiymatlarida manfiy qiymatlar qabul qiladi A) (-∞;2) U (3; ∞) B) (2; 3) C) (-∞;1) U (6; ∞) D) (-3; 2) 21 / 25 Quyidagi tengsizliklardan qaysi biri kvadrat tengsizlik ekanini toping A) 2x³ + 3x²-4x +7 > 0 B) 4x -5 > 0 C) x⁴-4< 0 D) 41x² – 9x + 1 < 0 22 / 25 Parabola uchining koordinatalarini toping: y =(x-3)²+2 A) (3; 2) B) (-3; - 2) C) (-3; 2) D) (3; -2) 23 / 25 A(7;11), B(10; 7) bo`lsa, AB kesmaning uzunligini toping A) 7 B) 5 C) 35 D) 147 24 / 25 Tengsizlikni yeching: (x – 6)(x – 13) <0 A) (6;13) B) (-13; -6) C) (-∞;6) U (13; ∞) D) (-∞;-13) U (6; ∞) 25 / 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) 12 B) 4 C) 16 D) 9 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
