1)1234ab olti xonali son va u son 8 va 9 ga qoldiqsiz bo’linsa, a va b larni ayirmasini toping?
A)2 B)8 C)4 D)9
2)To‘g‘ri tasdiqni aniqlang:
а) 3,1 va 2,9 sonlarining kvadratlari yig‘indisi 36 ga teng;
b) 3112 soni 3 raqami bilan tugaydi;
c) 10 va –2 sonlari ayirmasining uchlangani shu sonlar yig‘indsidan to‘rt marta ortiq;
d) 24 sonining to‘rtdan biri 100 ning 6% iga teng.
3) х + у = 3, z = -3 bo‘lsa, ni toping.
a) –0,5; b) –1; c) ifoda ma’noga ega emas; d) 1.
4) Dastlabki A soatda poyezd m km\soat tezlik bilan yurdi, qolgan B soatda N km\soat tezlik bilan yurgan bo‘lsa , poyezd bosib o‘tgan yo‘lgan S formilasini tuzing.
а) S = an + bm; b) S = am+ bn; c)S = anbm; d) S=
5) у = 5х + 1 formuladan х ni toping.
a) х = 4у – 1; b) х = +1; c) х = - 1; d) ;
6) Ifodani soddalashtiring: 4у – (3у – (2у – (у + 1))).
а) 2у – 1; b) –1; c) у – 1; d) у + 1.
7) ifodadagi a qanday son qiymatlarini qabul qilishi mumkin?
а) a-ixtiyoriy son; b) 0 dan boshqa barcha sonlar ;
c) 0 va 2 dan boshqa barcha sonlar; d) 2 dan boshqa;
8) 5 soni qaysi tenglamaning ildizi bo‘ladi ?
а) 2(х+2) = -14; b) х+5 = 0; c) 3(х-1) = 4 (х+1); d) 2(х+3,5) = 3(х+
9) Tenglamani yeching: (10х-3) + (12х-4) = 7 – (15-22х).
а) 0; b) ildizi yo‘q; c) - d) 44;
а) 0; b) 1,8; c) 2,2; d) 3,8;
11) Ushbu 6100,2 sonni standart shaklida yozing.
а) 6,1002 . 103; b) 6,1002 . 104; c)61,002 . 103 ; d) 61,002 . 102
а) 3; b) 9; c) 27; d) 243;
13) Standart shaklida yozilgan birhadni ko‘rsating.
а) 2abbc; b) 2m; c) 2-m; d) 17abc2a.
14) Ifodani soddalashtiring: -(-х2у4)4 ∙ (6х4у)2.
а) 36х16у18; b) 36х12у11; c) –36х12у11; d) -36х16у18;
15. Ko‘phadni standart ko‘rinishida tasvirlang, bunda 2аа2 ∙ 3b + а ∙ 8с.
а) 6а3b + 8ac; b) 5a3b + 8ca; c) 6aba2 + 8ca; d) 14a4bc;
16. 3t3 – 5t2 –11t – 3t2 + 5t +11 ko‘phadning darajasini aniqlang.
а) aniqlab bo‘lmaydi; b)2; c)3; d) 0;
а) 3х2 + 6х; b) 3х2; c) 3х2 + 2; d) –3х2 – 6х;
18. Ifodani soddalashtiring: 3х(х - у) – 5х(х + 3).
а) – 23х; b) –2х2 – 21х; c)–2х2 + 9х; d)8х2 + 9х;
19)Ifodaning qiymatini toping:
20)
а) 2,44; b)0,134; c) 23,3; d)2,24.
21.To‘g‘ri tasdiqni aniqlang:
а) -5,8 va 6,3 sonlarinig kvadratlari ayirmasi 146,4 teng;
b) 1442 soni 2 raqami bilan tugaydi;
c)9 va –3 sonlari yig‘indisining ikkilangani shu sonlar ayirmasidan lkki marta kam
d) 27 sonining uchdan biri 100 ning 9 %iga teng.
22. х - у = 3, z = -3. bo‘lsa, ni toping
а) –1; b) –0,5; c)1; d) 0,5.
23. Bir kilogrammi n so‘mdan bo‘lgan birinchi navli choydan a kg, bir kilogrammi m so‘mdan bo‘lgan ikkhinch navli choydan b kg olindi. To‘langan pulning T formulasini tuzing.
a) T = am+bn; b)T = an + bm; c)T= anbm; d) T = an-bm.
24, у = 3х + 2 formuladan х ni toping.
а) х=3у – 2; b)х= +2; c)х= -2; d)
25. Ifodani soddalashtiring: 5а – (6а – (7а – (8а - 9))).
а) –2а +9 ; b) 9; c)2а – 9; d) –2а –9.
26. ifodadagi a qanday son qiymatlarini qabul qiladi?
а) а –ixtiyoriy son; b) 2dan boshqa barcha sonlar c)0 dan boshqa barcha sonlar;
d) hech qanday
27. – 4 soni qaysi tenglamaning ildizi bo‘ladi?
а) 3(х-4) = -24; b) х+4 = 0; c)(х+1) = 1,8 (х-1); d)–х + 2 = 3(х-2)
28. Tenglamani yeching: (5х-3) + (7х-4) = 8 – (15-11х).
а) ildizi yo‘q ; b)1; c)–1; d) -23.
а) 0; b) 3,6; c)4,4 d) 4.
30. 5001,3 soni standart ko‘rinishida yozing:
а) 5,0013 . 103; b) 5,0013 . 104; c)50,013 . 103 ; d) 0,50013 . 104.
31. Hisoblang:
а) 256; b) 64; c)32; d) 2.
32. Standart ko‘rinishida yozilmagan birhadni aniqlang :
а) 2abcb; b) -2m; c)- d)18a2bc.
33. Ifodani soddalashtiring: -(-х2у4)4 ∙ (6х4у)2.
а) 36х16у18; b) 36х12у11; c)–36х12у11; d)36х16у18 .
34. 2аа2 ∙ 3b + а ∙ 8с ko‘phadni standart shaklida tasvirlang.
а) 6а3b + 8ac; b) 5a3b + 8ca; c)6aba2 + 8ca; d)14a4bc.
35. 8b3 – 3b4 + 17b + 3b4 - 8b - 5. ko‘phadning darajasini aniqlang.
а)3; b)4; c)2;d)0
36. 5а +3 va –2а2 – а + 7. ko‘phadning yig‘indisini toping.
а) 2а2 + 4а + 10; b) 2а2 + 4а -4; c) 2а2 + 4а + 4; d) -2а2 - 6а + 10;
37. Ifodani soddalashtiring: 2х(х +1) – 4х(2 - х).
а) –2х2 + 6х; b) –2х2 – 6х; c)6х2 + 6х; d)6х2 - 6х.
38. AB va CD to‘g‘ri chiziqlar E nuqtada kesishadi. BES va AED burchaklar yig‘indisi 1940 ga teng bo‘lsa, AEC burchakni toping.
a)97 b)87 c)83 d)73 e)bunday burchak mavjud emas
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