Tenglama va tengsizliklar mavzusi

Tenglama va tengsizliklar mavzusi

1. tenglamalar sistemasining yechimlari kvadratlari yig`indisini toping

a) 240 b) 360 c) 426 d) 350

2. M(1;1),N(1/3;3) nuqtalardan o`tuvchi to`g`ri chiziq tenglamasini toping

1) y=2x-1 2) y=-6x+5 3) y=-3x+4 4) y=3x-2 a) 3 b) 2 c) 2 va 3 d) 1 va 4

3. sistemani yeching,ildizlari ko`paytmasini toping

a) 216/25 b) 128/5 c) 216/125 d) 128/125

4.

a) yechimga ega emas b) cheksiz ko`p yechimga ega c) (1;2) d) (2;1)

5. Ikkita firma jami 102000 dona esdalik sovg`alari tayorladi.Bu sovg`alarni tayorlash uchun 1-firma 30 ku,2-firma 28 kun ishladi.Agar 1-firma 6 kunda 2-firma 4 kunda tayorlaganidan 6000 dona ko`p sovg`a tayorlagan bo`lsa,har bir firma bir kunda nechtadan sovg`a tayorlagan?

a) 2500;3000 b) 2000.2500 c) 2000;3000 d) 3000;3500

6. n 9,6 tengsizlikni qanoatlantiruvchi eng kichik butun sonni kvadrati nechchiga teng

a) 64 b) -81 c) -64 d) 81

7. A ning qanday qiymatlarida kasrlar ayirmasidan katta bo`ladi?

a) a

8. tensizlikni yeching

a) x c) x

9. Agar butun sonning ikkilanganiga uning yarmi qo`shilsa.u holda 92 dan kichik son hosil bo`ladi,agar huddi shu butun sonning ikkilanganidan uning yarmi ayirilsa,u holda 53 dan katta son hosil bo`ladi.Shu butu sonni toping

a) 36 b) 35 c) 37 d) 34

10. englamaning ildizlari yig`indisini toping

a) 5 b) 4 c) 3 d) 2

11. Kitob va daftar birgalikda 1100 som turadi.Kitob narxining 5%i daftar narxining 10%idan 25 som qimmat.Kitob va daftar necha somdan turadi?

a) 750;350 b) 800;300 c) 900;200 d)950;150

12.y=-5x+3 funksiya grafigida koordinatalri yig`indisi 15 ga teng bo`lgan nuqtani toping

a) (3;15) b) (-3;18) c) (-4;19) d) (-2;17)

13. Sayyoh 3 km va qolgan yo`lning 1/3 qismini o`tgach hisoblab ko`rsa jami yo`lning yarmiga yetishi uchun yana 1 km masofa qolibdi.Jami yo`l necha km?

a) 15 b) 16 c) 17 d) 18

14. a somga 8 kg anjir va 20 kg husayni uzum sotib olish mumkin.Agar 5 kg anjir 7 kg uzumdan b som qimmat tursa,husayni uzumni 1 kg I qancha turadi?

a)

15. Agar (2x+1)(x-1.5)=0 bo`lsa,2x+1 qanday qiymatlarni qabul qilad?

a) 0 b) -0.5 c) 0 va 4 d) 4

16. m ning qanday qiymatlarida tenglama yechimga ega bolmaydi? my+1=m

a) m=1 b) m=0 c) m=-1 d) m=2

17. sistemani yeching

a) b) c)

18. 2 =0.5x-1 tenglamani yeching

a) 1 b) 2/5 c) -2/3 d) 2.5;-2/3

19. tengsizlikni qanoatlantiruvchi natural sonlarning eng kattasi topilsin

a) 4 b) 3 c) 2 d) 1

20. 1 dan 100g acha bo`lgan sonlar orasida 3 ga ham 5 ga ham bo`linmaydiganlari nechta?

a) 50 b) 52 c) 48 d) 53

OLADIGAN NATIJANGIZ QILADIGAN MEHNATINGIZGA TO`G`RI PROPORSIONAL M.Umida

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20
b	a	a	b	c	d	c	c	a	a	c	b	d	b	c	a	d	d	a	d