9-sinf. Matematika. Test

9-sinf. Matematika. Test.
2-variant
1. Ifodani soddalashtiring:
A) B) C) D)
2. Agar  bo‘lsa,
A) B) C) D)
3. uchburchakning medianalari bo‘lsa, bu uchburchak yuzini toping.
A) B) C) D)
4. Agar bo‘lsa, tenglamani yeching.
A) ildizi yo‘q B) C) D)
5.
A) B) C) D)
6. -ko‘phad uchun bo‘lsa, ko‘phadning barcha koeffitsiyentlari yig‘indisini toping.
A) B) C) D)
7. o‘sib borish tartibida joylashtiring.
A) B) C) D)
8. tenglamaning nechta haqiqiy ildizi bor?
A) B) C) D)
9. Hisoblang:
A) B) C) D)
10. Uzunliklari bo‘lgan va vektorlar orasidagi burchak bo‘lsa, vektorni uzunligini hisoblang.
A) B)12 C) D)13
11. ning oxirgi ikkita raqamini toping.
A) 57 B) 77 C) 87 D) 67
12. uchburchakning va tomonlari berilgan. Agar bu tomonlarga tushirilgan medianalar o‘zaro perpendikular bo‘lsa, uchburchakning uchinchi tomonini toping.
A) B) C) D)
13. tenglama ildizlari yig‘indisini toping.
A) 1 B) 2 C) 4 D) 8
14. haqiqiy son uchun bo‘lsa, u holda ifoda nimaga teng bo‘ladi?
A) 16 B) 64 C) 128 D) -64
15. ni hisoblang.
A) B) C) D) t.j.y
16. bo‘lsa nimaga teng bo‘ladi?
A) 1 B) 0 C) D) 2
17. ni 101 ga bo‘lgandagi qoldiqni toping.
A) 0 B) 1 C) 9 D) 100
18. sonlari tenglamaning ildizlari bo‘lsa, ni toping.
A) B) C) D)
19. Hisoblang:
A) B) C) D)
20. bo‘lsa ni toping.
A)49 B)50 C)51 D)52
21. tenglama ning qanday qiymatlarida o‘rinli.
Javob:_____________________________________________
22. tenglama ildizlari yig‘indisini toping.
Javob:_____________________________________________
23. Tenglama ildizlarining o‘rta arifmetik qiymatini toping:
Javob:_____________________________________________
24. ko‘phadning bir ko‘paytuvchisi bo‘lsa, ni toping.
Javob:_____________________________________________
25. ning qanday qiymatlarida kvadrat tenglamaning ildizlari yig‘indisi manfiy bo‘ladi?
Javob:_____________________________________________