9-sinf. Matematika test

15. To’gri to’rt burchakning tomonlari nisbati 4:3 , yuzi 48 sm² bo’lsa, perimetrini toping.
A) 4 sm B) 28 sm² C) 28 sm D) 12 sm
16. Hisoblang: 3² + (-5)⁰ - 2⁴ A) -12 B) -8 C) -6 D) -4
17. (2008)⁰ ning qiymati nechaga teng? A) 0 B) 1 C) 2008 D) 0,2008
18. a^--8= formula a ning qanday qiymatlarida o'rinli? (n - natural son)
A) a = 0 B) a = 1 C) a≠0 D) hamma qiymatida
19. Agar a≠0 bo`lsa, a⁰ nechaga teng bo'ladi?
A) 1 B) a C) 0 D) -1
20. Darajani darajaga ko`tarish formulasi qaysi javobda to`g`ri ko`rsatilgan?
A) (a^m)ⁿ=a^mn B) a^--n= C) a⁰ = 1 D) (ab)ⁿ=aⁿbⁿ
21. Ko`paytmani darajaga ko'tarish formulasini aniqlang?
A) (a^m)ⁿ=a^mn B) a^--n= C) a⁰ = 1 D) (ab)ⁿ=aⁿbⁿ
22. Ifodani natural ko'rsatkichli daraja shaklida tasvirlang: 
A) 5³ B) 5⁵ C) 5² D) 5⁴
23.Hisoblang: (-8)² + 5 - 7⁰ A) 65 B) 66 C) 68 D) 67
24. 5^-2 ni 1 bilan taqqoslang? A) 5^-2 = 1 B) 5^-2 > 1 C) 5^-2_ 1 D) 5^-2 < 1
25. Darajani darajaga ko'taring: (a⁵)^-3 A) a^-15 B) a⁵ C) a¹⁵ D) a^-5
26. sin =0,6 bo’lsa , tg ni toping. A) 0,8 B) C) 0,75 D) 1
27. Vektorning skalyar ko’paytmasini toping. (7;2) , (-5;0)
A) 7 B) 3 C) 30 D) -35
28. Katetlari 20 va 15 ga teng bo’lgan to’g’ri burchakli uchburchakning gipotenuzasini toping. A) 25 B) 30 C) 10 D) 5
29. Qavariq beshburchakning burchaklari kattaliklari 2:3:4:5:6 kabi nisbatda . Burchaklardan kattasini toping.
A) 136⁰ B) 162 ⁰ C) 148⁰ D0 163 ⁰
30. To’gri to’rt burchakning tomonlari nisbati 4:3 , yuzi 48 sm² bo’lsa, perimetrini toping.
A) 4 sm B) 28 sm² C) 28 sm D) 12 sm

Savol	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
Javob	c	b	c	a	a	d	d	c	d	a	c	d	a	b	c
Ball

Savol	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Javob	c	b	c	a	a	d	d	c	d	a	c	d	a	b	c
Ball