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 tg60° ni toping A) √2/2 B) √2 C) 1 D) √3 2 / 25 Hisoblang A) -2 B) 6 C) 7 D) 2 3 / 25 x= -2 da y=2x2 +5x-3 funksiyaning qiymatini toping A) 5 B) -4 C) 0,5 D) -5 4 / 25 Tenglamaning musbat ildizini toping A) 32 B) 45 C) 9 D) 64 5 / 25 Parabola uchining koordinatalarini toping: y=x2+6x+5 A) (-3;4) B) (3;4) C) (3;-4) D) (-3;-4) 6 / 25 Hisoblang A) 8 B) 53 C) 45 D) 2 7 / 25 Sonlarni o’sish tartibida joylashtiring A) b<a<c B) c>a>b C) a<b<c D) c<a<b 8 / 25 sina=1/2 bo’lgan o’tkir burchakni ko’rsating A) 45° B) 30° C) 60° D) 90° 9 / 25 Agar sina=3/5 va 90°° bo’lsa, сosa ni toping A) 3/4 B) 4/5 C) -4/5 D) -3/4 10 / 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) 11 / 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 12 / 25 Tengsizlikni yeching: (x – 6)(x – 13) <0 A) (-13; -6) B) (-∞;-13) U (6; ∞) C) (-∞;6) U (13; ∞) D) (6;13) 13 / 25 Agar (-1;2) nuqta y = kx2 +3x – 4 parabolaga tegishli bo`lsa, k ning qiymatini toping A) 6 B) 1 C) 9 D) -1 14 / 25 Quyidagi tengsizliklardan qaysi biri kvadrat tengsizlik ekanini toping A) x⁴-4< 0 B) 2x³ + 3x²-4x +7 > 0 C) 4x -5 > 0 D) 41x² – 9x + 1 < 0 15 / 25 y = 4x2 +12x +9 funksiyaning o`sish oralig`ini toping A) (-∞; -1,5) B) (-1,5; ∞) C) (-∞; 1,5) D) (1,5; ∞) 16 / 25 Tengsizlikni yeching: (x + 4)(x + 9) >0 A) (-∞;4) U (9; ∞) B) (4; 9) C) (-9; -4) D) (-∞; -9) U (-4; ∞) 17 / 25 Kvadrat tengsizlikni yeching: x2 – 4x +6 > 0 A) (2; 3) B) (-∞;1) U (6; ∞) C) (-4; 6) D) to'g'ri javob yo`q 18 / 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) 0,6 ga C) 2,4 ga D) 3 ga 19 / 25 y = -2x2 +6 funksiyaning grafigi qaysi koordinata choraklarida joylashgan ? A) I, II, III, IV B) I, III, IV C) III, IV D) I, II 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 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) 22 / 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 23 / 25 Teng yonli trapetsiyaning ikkita burchagi ayirmasi 400 ga teng. uning burchaklarini toping A) 115° ; 75° ; 115° ; 75° B) 135°; 45°; 135°; 45° C) 110°; 70°; 110°; 70° D) 140°; 40°; 140°; 40° 24 / 25 Parabola uchining koordinatalarini toping: y =(x-3)²+2 A) (3; 2) B) (3; -2) C) (-3; - 2) D) (-3; 2) 25 / 25 x2 + 8x+15 ≤ 0 tengsizlikning butun yechimlari yig`indisini toping A) 23 B) 12 C) -4 D) -12 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