9-sinf matematikadan test Parabola uchining absissasini toping

9-sinf matematikadan test

1. 
   Parabola uchining absissasini toping: .
   

A) x=4 B) x=2 C) x=3 D) x=8
2. Kvadrat funksiyaning nollarini toping: .
A) x=0, x=9/7 B) x=2, x=0 C) x=3, x=9/7 D) x=8, x=0
3. Parabolaning koordinata o‘qlari bilan kesishish nuqtalarining koordinatalarini toping: .
A) x=0, x=4 B) x=2, x=0 C) x=3, x=1 D) x=8, x=0
4.Ko‘paytuvchilarga ajrating: .
A) (x-7)(x+5) B) (x-5)(x-6) C) (x-3)(x-5) D) (x-5)(x-7)
5. Tengsizlikning eng kichik musbat butun yechimini toping:
A) x=4 B) x=2 C) x=3 D) x=8
6.Tengsizlikning butun yechimlari yig’indisini toping: а) ;
A) 4 B) -22 C) -13 D) -8
7. Hisoblang: . A) 3 B) 1/3 C) -3 D) -1/3
8. Ifodaning qiymatini toping: ;
A) 10,94 B)-10,9 C) 13,04 D) 9,18

9. Ifodaning qiymatini toping : .

A) 4 B) 1 C) -1 D) 3
10. Funksiyaning aniqlanish sohasiga tegishli eng katta manfiy sonni toping: .
A) -4 B) -11 C) -1 D) -3
11. Funksiyaning juft yoki toq bo‘lishini aniqlang:
A) juft B) toq C) ikkisi ham emas D) ikkalasi ham
12. Funksiyalarning grafiklarini yasamasdan, ularning kesishish nuqtalarini toping:
va .
A)­ B) ­ C) ­ D) ­
13. Uchbuchakning tomonlari mos ravishda 2 dm,4 dm, va 6 dm. Unga o'xshash va perimetri 6 dm bo‘lgan uchburchakning tomonlarini toping.
­ A) 2,3,4 B)2,5,6 C) 3,2,5 D) 3,2,1
14. Tenglamani yeching A) 2 B) -1 C) 1 D) 4

15.Tenglamani yeching

A) 2 B) 10 C) 1 D) -2
16.Uzunligi 20 m bo’lgan narvon uy devoir chetiga li burchak ostida tiralgan. Devor balandligini toping. A) 12 B) 10 C) 15 D) 5

17. Agar poyezd 10 km tog’ ga yurib, 75 m balandlikka ko’tarilgan bo’lsa, temiryo’lning ko’tarilish burchagining sinusini toping. A) 4/300 B) 25/100 C) 3/100 D) 3/400

18. sinα = ekanligi ma'lum. ctgα ni toping. A)12/5 B) 5/12 C) -1/5 D) 3/5
19. Agar ABC uchburchakning yuzi . Agar AB = 10 sm, bo‘lsa, AC tomonini toping. A) 15 B) 12 C) 14 D) 30
2 0. Funksiya grafigi qaysi choraklardan o’tadi:


A) I,II,III B) I,III,IV C) I,II,IV D) II,III,IV