9-sinflar uchun

9-sinflar uchun
2-corak uchun.
1. a ning shunday qiymatini topingki, parabola bilan to’g’ri chiziqning kesishish nuqtalaridan birining abssissasi x=1 bo’lsin.
a) a = 6 b) a = -6 c) a= 4 d) a= -4 e) a= 7
2. k ning shunday qiymatini topingki, parabola bilan to’g’ri chiziqning kesishish nuqtalaridan birining abssissasi x=2 bo’lsin
a) k = -1 b) k = 1 с) k = 2 d) k = -2 e) k = -6
3. b ning shunday qiymatini topingki , parabola bilan y = 2x+b tog’ri chiziqning kesishish nuqtalaridan birining abssissasi x=1 bo’lsin.
a) b = 2 b) b = -1 c) b = 1 d) b = -2 e) b = 3
4. parabolaning koordinata o’qlari bilan kesishish nuqtalarining koordinatalarini toping. .
a) (-1 ;3) b) (3 ;1) c) (1 ;3) d) (0 ;4) e) (4 ;0)
5. parabolaning koordinata o’qlari bilan kesishish nuqtalarining koordinatalarini toping.
a) (-1 ;2) b) (2 ;-1) c) (5 ;0) d) (-5 ;0) e) (0 ;-5)
6. parabolaning koordinata o’qlari bilan kesishish nuqtalarining koordinatalarini toping.
a) ( ;0),( ;0),(0;1); b) (- ;0),(- ;0),(1;0);
c) (0; ),(0; ),(0;1); d) ( ;0),(- ; 0),(0;-1);
7. 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)
8. parabola uchining koordinatalarini toping.
a) (0 ;4) b) (4 ;2) c) (2 ;-4) d) (-4 ;2) e) (0 ;-4).
9. parabola uchining koordinatalarini toping.
a) (-1 ;-1) b) (1 ;-2) c) (0 ;2) d) (1 ;1) e) (1 ;-1).
10. parabola uchining koordinatalarini toping.
a) (3 ;-4) b) (-5 ;-1) c) (-1 ;-5) d) (3 ;4) e) (-3 ;-4).

11. parabola uchining koordinatalarini toping.

a) ( ; ); b) (- ; ); c) (- ; ); d) (2;9) e) (9;5)
12. Abssissa o’qini x=1 va x=2 nuqtalarda , ordinatalar o’qini esa y = nuqtada kesib o’tuvchi parabolaning tenglamasini yozing.
a) y = b) y =
c) y = d) y =
e) to’g’ri javob berilmagan.
13. Abssissa o’qini x= -1 va x=3 nuqtalarda , ordinatalar o’qini esa y = 1 nuqtada kesib o’tuvchi parabolaning tenglamasini yozing.
a) y = b) y =
c) y = d) y =
14. parabola qaysi chorakda joylashgan. Y =
a) I, II, III b) II, III, IV c) I, III, IV d) I, II, III, IV e) I, II, IV
15. parabola qaysi chorakda joylashgan. . Y =
a) III, IV b) I, II, III c) II, III, IV d) I, III, IV e) I, II
16. parabola qaysi chorakda joylashgan. Y =
a) III, IV b) I, II, III c) II, III, IV d) I, III, IV e) I, II

17. parabola qaysi chorakda joylashgan. Y =

a) I, II, III b) I, III, IV c) I, II, III, IV d) I, II, III, IV
e) to’g’ri javob berilmagan
18. parabola qaysi chorakda joylashgan. Y =
a) I, II, III III, IV b) II, III, IV I, II, III c) I, II, IV d) III, IV e) I, II

19. ikki musbat sonning yig’indisi 160 ga teng . Agar shu sonlar kublarining yig’indisi eng kichik bo’lsa , shu sonlarni toping.

a) 95;65 b) 155;5 c) 75;85 d) 80;80 e) 90;70
20. ikki musbat sonning yig’indisi a ga teng . Agar shu sonlar kvadratlarining yig’indisi eng kichik bo’lsa , shu sonlarni toping.
a) b) c) d) e)
21. Quyidagi ta’riflardan qaysi biri to’g’ri
a) Ikkita uchburchakning burchaklarii mos ravishda teng bo’lsa, ular o’xshash deyiladi
b) Ikkita uchburchakning mos tomonlari mos ravishda teng bo’lsa, ular o’xshash deyiladi
c) Ikkita uchburchakning mos tomonlari proporsional va mos burchaklari teng bo’lsa, ular o’xshash deyiladi.
e) Ikkita uchburchakning mos tomonlari va mos burchaklari teng bo’lsa, ular o’xshash deyiladi.
22.Tomonlari 20,20,3m bo’lgan uchburchak shaklidagi maydonning atrofini o’rash uchun ustunlar o’rnatiladi. Agar ustunlar orasidagi masofa 5 m dan bo’lsa , nechta ustun kerak bo’ladi.
a) 15 b) 14 c) 16 d) 13 e) 18
23. Uchburchak balandligi 4 ga teng. Bu balandlik uchburchakni perimetrlari mos ravishda 16va23 ga teng bo’lgan ikkita uchburchakka ajratadi. Berilgan uchburchakning perimetrini toping.
24. teng yonli uchburchakning uchidagi tashqi burchagi o’sha uchidagi ichki burchagidan 4 marta katta. Uchburchakning asosidagi tashqi burchagi necha gradus.
a) 108 b) 110 c) 98 d) 102 e) 112
25. Tenglamani yeching : / 1 – 3x / < 2
a) 0< x <1/3 b) -1< x <-1/3 c) 1/3< x < 1 d) -1/3 < x < 1 e) t,j,y