9-sinf Matematika 3-chorak Aprel 15, 2021Aprel 20, 2021 da chop etilgan InfoMaster tomonidan 9-sinf Matematika 3-chorak ga fikr bildirilmagan. 84 OMAD YOR BO'LSIN! 9-sinf Matematika 3-chorak Testni Salomov Sardor tayyorladi. 1 / 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) 3 ga C) 2,4 ga D) 0,6 ga 2 / 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) 40,5 sm D) 42 sm 3 / 25 x2 + 8x+15 ≤ 0 tengsizlikning butun yechimlari yig`indisini toping A) 12 B) -4 C) 23 D) -12 4 / 25 Funksiyaning eng kichik qiymatini toping: y = x2 + 4x + 5 A) 5 B) 1 C) 3 D) 9 5 / 25 Kvadrat tengsizlikni yeching: 3x2 – 5x -2 > 0 A) (-∞; -1/3 ) U ( 2; ∞) B) (-∞; 1/3 ) U ( 2; ∞) C) (-1/3 ; 2) D) (1/3 ; 2) 6 / 25 p ning nechta butun qiymatida x2 + px +4 = 0 tenglama haqiqiy ildizga ega emas A) 4 B) 7 C) 9 D) 16 7 / 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) 25 m C) 15 m D) 45 m 8 / 25 Ikkita gomotetik ko’pburchak uchun to’g’ri tasdiqni ko’rsating A) To’g’ri javob yo’q B) Ular teng C) Ular tengdosh D) Ular o’xshash 9 / 25 Agar va 90°° bo’lsa, sina ni toping A) 12/13 B) 14/13 C) 5/12 D) 5/13 10 / 25 Funksiyaning aniqlanish sohasini toping: y=4x2+5 A) (1;2) B) (-∞,+∞) C) (0;5/4) D) (5/4;+∞) 11 / 25 Hisoblang A) 3 B) -2 C) 2 D) 9 12 / 25 Agar sina=3/5 va 90°° bo’lsa, сosa ni toping A) -4/5 B) 4/5 C) -3/4 D) 3/4 13 / 25 tg60° ni toping A) √3 B) 1 C) √2 D) √2/2 14 / 25 Sonlarni taqqoslang A) b=a B) a = b + 0,5 C) b<a D) b=a+0,8 15 / 25 Tenglamaning musbat ildizini toping A) 45 B) 64 C) 9 D) 32 16 / 25 Uchburchak medianalari uchun noto’g’ri tasdiqni ko’rsating A) Kesishish nuqtasida 2:1 nisbatda bo’linadi B) Bir nuqtada kesishadi C) Bir – biriga teng D) Har biri uchburchakni ikkita tengdosh qismga ajratadi 17 / 25 Hisoblang A) 55/88 B) 2/1 C) -1 D) 1 18 / 25 Ifodaning qiymatini toping: A) √3/2 B) √2/2 C) √3/3 D) 1/2 19 / 25 Ifodani soddalashtiring A) 2/sin²ɑ B) tgɑ C) 1/sin²ɑ D) ctgɑ 20 / 25 Rombning katta diagonali 18 sm va bir burchagi 120°. Romb yuzini toping A) 54√2 sm² B) 51√5 sm² C) 54√3 sm² D) 54√3 sm² 21 / 25 Ko’paytmaning qaysi biri manfiy? A) tg190° * cos400° B) sin100° * cos300° C) sin190° * tg200° D) cos320° * ctg17° 22 / 25 Tomonlari 3 va 5 bo‘lgan parallelogrammning bir diagonali 4 ga teng. Uning ikkinchi diagonalini toping A) √3 B) √13 C) 2√3 D) 2√13 23 / 25 Tenglamani yeching: cos(x-π )=0 A) 3π/2 B) 3π/2+2πk C) πk D) 2πk 24 / 25 Tenglamani yeching: sin(π -x)=1 A) π/2-2πk B) 2πk C) π/2 D) π/2+2πk 25 / 25 Agar va bo’lsa, ni toping A) 2/3 B) 1,2 C) 0,5 D) 1/3 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