To’g’ri burchakli uchburchakning gipotenuzasi ga bir kateti ga teng. Shu katetning gipotenuzadagi proyeksiyasini toping

#1.To’g’ri burchakli uchburchakning gipotenuzasi 6 ga bir kateti 4 ga teng. Shu katetning gipotenuzadagi proyeksiyasini toping?
A) 3 B) C) +D)
#2.Uchburchakning tomonlari 7 va 5 hamda 6 sm bulsa, 5 sm li tomonga tushirilgan bissektrisa uzunligini toping
+A) B) C) D)
#3.Agar kvadratning perimetri 10% ga kamaytirilsa uning yuzi necha foizga kamayadi?
A) 10 B) 11 C) 16 +D) 19
#4. aylananing ordinate o’qidan ajratgan kesma uzunligini toping?
A) B) +C) D) 5
#5.O’tmas burchagi ga teng bo’lgan parallelogramga ichki chizilgan doiraning yuzi ga teng. Parallelogramning perimetrini toping.
A) 24 B) C) 32 +D)
#6. a ning qanday qiymatida parabola uchi K (2:4) nuqtada yotadi.
A) 3 B) 2 +C) 4 D) 5
#7.y=x ga nisbatan y=2x+1 ga simmetrik bo’lgan to’g’ri chiziq tenglamasini toping.
A) y=2x-1 B) y=0.5x-1 C) y=0.5x+1 +D) y=0.5(x-1)
#8. da monoton bo’lmagan funksiyani belgilang.
A) B) C) +D)
#9.Karakul Education o’quv markazi hamda Qashqadaryo viloyati Muborak tumanlari orasidagi masofa 120 km. Karakul Education o’quv markazdan Muborak tumaniga qarab A mashina yo’lga chiqdi, oradan 30 minut o’tgach Muborak tumanidan Karakul Education o’quv markaziga qarab B mashina yo’lga chiqdi. Agar bu mashinalar yo’lning o’rtasida uchrashishgan bo’lsa, va A mashina tezligi B mashina tezligidan 6 km/soat ga kam bo’lsa, B mashina tezligini toping.
A) 24 B) 25 C) 27 +D) 30
#10.15 kg eritmaning 40 % i tuzdan iborat. Tuzning miqdori 25% bo’lishi uchun eritmaga necha kg chuchuk suv qo’shish kerak.
A) 6 +B) 9 C) 8 D) 10
#11.Agar bo’lsa quyidagi ifodalardan qaysi biri doim butun son bo’ladi?
A) B) +C) D)
#12. va sonlari orasiga shunday 3 ta musbat son joylashtiringki natijada giometrik progresiya hosil bo’lsin. O’sha 3 ta sonning yig’indisini toping.
A) 0.5 B) C) 0.375 +D)
#13.100 dan katta bo’lmagan 4 ga karrali natural sonlar yig’indisini toping
A) 1250 +B) 1300 C) 1120 D) 1000
#14.Tengsizlikning butun yechimlari nechta
+A) 20 B) 19 C) 21 D) 22
#15. tenglamaning ildizlari yig’indisini toping
+A) 1 B) -1 C) 3 D) 2
#16. Tengsizliklar sistemasini yeching
+A) B) C) D) (-0.4;2)
#17.Tenglamaning ildizlari yig’indisini toping
+A) 2 B) ildizga ega emas C) 0 D) -2
#18.Tengsizliklar sistemasi a ning qanday qiymatlarida yechimga ega emas
A) +B) C) D)
#19.Tengsizlikning eng katta butun manfiy va eng kichik butun musbat yechimlari ko’paytmasini toping.
A) -30 B) -35 C) -36 +D) -42
#20.(x;y) juftlik tenglamalar sistemasining yechimi bulsa x+y ning eng katta qiymatini toping
+A) 6 B) 5 C) 7 D) 4
#21. a ning nechta qiymatida tenglamalar sistemasi yechimga ega emas?
+A) 1 B) 2 C) 4 D) 0
#22. Tenglama ildizlari yig’indisini toping (x+1)(x+2)(x+5)(x+4)=40
+A) -6 B) 0 C) -5 D) 6
#23.m ning qanday qiymatlarida tenglamaning ildizlaridan biri boshqasidan 3 marta katta bo’ladi?
A) 2 +B) 4 va -4 C) 3 va -3 D) 4
#24.Agar tenglamaning ildizlari va bo’lsa ni toping
A) B) 0.5 C) -0.5 +D) -0.375
#25. Tenglamani yeching
A) -3.2 B) 1.5 C) -1.2 +D) 3.2
#26. x, 25 va -5 mana shu 3 ta sonning o’rta giometrigi -5 ga teng bo’lsa x ni toping.
A) 1.4 +B) 1 C) 1.6 D) -1
#27.Hisoblang
A) 2 +B) 1 C) D)
#28.Ushbu ifodaning qiymati 9 dan qancha kam
A) 4 B) 3.5 C) 3 +D) 5.5
#29. ko’paytma necha xonali son
A) 21 B) 18 +C) 19 D) 20
#30.0.(8)+0.(7) ni hisoblang
A) 0.(15) +B) 1.(6) C) 1.(5) D) 1.(15)