9-sinf Matematika 3-chorak Aprel 15, 2021Aprel 20, 2021 da chop etilgan InfoMaster tomonidan 9-sinf Matematika 3-chorak ga fikr bildirilmagan. 81 OMAD YOR BO'LSIN! 9-sinf Matematika 3-chorak Testni Salomov Sardor tayyorladi. 1 / 25 Funksiyaning eng kichik qiymatini toping: y = x2 + 4x + 5 A) 3 B) 9 C) 5 D) 1 2 / 25 p ning nechta butun qiymatida x2 + px +4 = 0 tenglama haqiqiy ildizga ega emas A) 16 B) 9 C) 4 D) 7 3 / 25 Kvadrat tengsizlikni yeching: x2 – 4x +6 > 0 A) (-4; 6) B) to'g'ri javob yo`q C) (2; 3) D) (-∞;1) U (6; ∞) 4 / 25 Kvadrat tengsizlikni yeching: 3x2 – 5x -2 > 0 A) (-∞; -1/3 ) U ( 2; ∞) B) (1/3 ; 2) C) (-∞; 1/3 ) U ( 2; ∞) D) (-1/3 ; 2) 5 / 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) 6 / 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) 16 C) 9 D) 12 7 / 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) 2 ga D) 3 ga 8 / 25 Quyidagi tengsizliklardan qaysi biri kvadrat tengsizlik ekanini toping A) x⁴-4< 0 B) 4x -5 > 0 C) 41x² – 9x + 1 < 0 D) 2x³ + 3x²-4x +7 > 0 9 / 25 Tengsizlikni yeching: (x + 4)(x + 9) >0 A) (-9; -4) B) (-∞;4) U (9; ∞) C) (4; 9) D) (-∞; -9) U (-4; ∞) 10 / 25 y = x2 +x -6 funksiya x ning qanday qiymatlarida manfiy qiymatlar qabul qiladi A) (-3; 2) B) (-∞;2) U (3; ∞) C) (-∞;1) U (6; ∞) D) (2; 3) 11 / 25 Funksiyaning aniqlanish sohasini toping A) x≥ 1 B) x≠1 C) (-∞;+∞ ) D) x≤1 12 / 25 Uchburchak medianalari uchun noto’g’ri tasdiqni ko’rsating A) Kesishish nuqtasida 2:1 nisbatda bo’linadi B) Har biri uchburchakni ikkita tengdosh qismga ajratadi C) Bir – biriga teng D) Bir nuqtada kesishadi 13 / 25 Hisoblang A) 8 B) 53 C) 45 D) 2 14 / 25 Hisoblang: A) 3,4 B) 5,76 C) 2,4 D) 24 15 / 25 Agar va 90°° bo’lsa, sina ni toping A) 14/13 B) 12/13 C) 5/13 D) 5/12 16 / 25 Ko’paytmaning qaysi biri manfiy? A) tg190° * cos400° B) sin100° * cos300° C) cos320° * ctg17° D) sin190° * tg200° 17 / 25 To‘g‘ri burchakli trapetsiyaning o‘tkir burchagi 30° ga, balandligi 4 sm ga va kichik asosi 6 sm ga teng. Trapetsiyaning yuzini toping A) (24+8√3) sm² B) (2+8√3) sm² C) 1 D) 8√3 sm² 18 / 25 Hisoblang: tg1800° - sin495° + cos495° A) 2 B) 1 C) 0 D) -1 19 / 25 To’g’ri burchakli uchburchakning gipotenuzasi 18 sm va bir kateti 4 sm bo’lsa, uning ikkinchi katetini toping A) 2√27 B) 320 C) 72 D) 340 20 / 25 Funksiyalarning qaysi biri toq funksiya? A) 2,4 B) 2,3 C) 1,2 D) 1,4 21 / 25 Parallelogrammning tomonlari 7√3 va 6 sm. Agar uning o‘tmas burchagi 120° bo‘lsa, uning yuzini toping A) 73 sm² B) 61 sm² C) 63 sm² D) 56 sm² 22 / 25 Ifodani soddalashtiring A) ctgɑ B) tgɑ C) 1/sin²ɑ D) 2/sin²ɑ 23 / 25 Burchakning gradus o’lchovini toping: 3π/4 A) 35° B) 135° C) 140° D) 150° 24 / 25 Rombning katta diagonali 18 sm va bir burchagi 120°. Romb yuzini toping A) 54√3 sm² B) 54√2 sm² C) 54√3 sm² D) 51√5 sm² 25 / 25 Poyezd har 30 m yo‘l yurganda 1 m tepaga ko‘tariladi. Temir yo‘lning gorizontga nisbatan ko‘tarilish burchagini toping A) 2° B) 22° C) 30° D) 60° 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