Tenglamani yeching : 3x = 11 x a x=1 b x=2 c x=3 d x=4 e x=5

4-variant
1. Tenglamani yeching : 3x – 5 = 11 - x
a) x=1 b) x=2 c) x=3 d) x=4 e) x=5
2. 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=
3. Berilgan ifodani standart ko’rinishi qaysi: 6100,2:
а) 6,1002 ^. 10³; b) 6,1002 ^. 10⁴; c)61,002 ^. 10³ ; d) 61,002 ^. 10² .
4. x bilan y orasidagi y=kx formula bilan ifodalangan bog’lanish qanday bog’lanish deb ataladi?
A) to’g’ri proportsional bo’glanish
B) teskari proportsional bog’lanish
C) bo’g’lanish yo’q
5. Tengsizlikni yeching: 4(x-1)+5(x+1)<6(x+2)+7(x-1)
A. x<-1 B. x>-1 C. x>1 D.x<-6
6. Tenglmalar sistemasini yeching.
A. B. C. D.
7.Trapetsiyaning o’rta chizig’i 9 sm, asoslaridan biri ikkinchisidan 6 sm qisqa. Trapetsiyaning katta asosini toping.
A) 15 B) 10 C) 18 D) 12
8. y=2x funksiya grafigi qaysi choraklarda bo’ladi?
A)1,3 B)1, 2 C)3 ,4 D)2,4
9. y(x) = x² + 3 funksiya x = -3 da qanday qiymatiga teng bo’ladi?
a) y(x) = -12 b) y(x) = 12 d) y(x) = 9 e) a,b
10. tengsizlikni yeching.
A. B. C. D. E.
11. parabolaning koordinata o’qlari bilan kesishish nuqtalarining koordinatalarini toping.
a) (-1;0),(-7;0), (0;-7); b) (-1;0),(7;0), (0;7); c) (1;0),(7;0), (0;-7); d) (-1;2),(7;-1), (7;0); e) (3;16)
12. P(1;0) nuqtani radiqn burchakka burishda K ( ) ning koordinatalari toping. A) K(-1;0) B) K(0;1) C) K(1;0) D). K(0;-1)
13. Hisoblang , bo’lsa
A) B) C). D) E)
14. bo’lsa, ni top
A) B.) C) D) E)
15. Agar arifmetik progressiyada a1= -5, d=0,5 bo’ lsa S 12 ni toping.
A) -27 B) 30 C) 27 D) 15