9-sinf uchun test I variant
1. y=x2 parabolaning y=2x-1 to’g’ri chiziq bilan kesishish nuqtasining koordinatalarini toping.
A) (1;1) B) (1;1), (1;-1) C) (1;-1) D) (1;2) E) (2;-1)
2. y=5x2+3x -2 funksiyaning OX o’qi bilan kesishish nuqtalarining koordinatalarini toping .
A) B) (-1;0), C) ; D) (1;0), E) (5;0), (3;0)
3. x2- 9> 0 tengsizlikni yeching
A) x<-3 ; x>3 B) -39; x<-9 E) x>±3
4. Ifodani soddalashtiring: ;
A) B) C) D) E)
5. Hisoblang: . A) B) C) D) E)
6. Funksiyaning aniqlanish sohasini toping :
A) 1≤x≤2 B) 17. Funksiyalarning qaysilari juft funksiyalar?
1). 2) 3) 4)
A) 1,2 B) 2,3 C) 3,4 D) 1,4 E) 2,4
8. 1500 li burchakni radianda ifodalang.
A) π/180 B) 1800 π/150 C) 15 π/ 18 D) 5 π/ 6 E) 6 π/5
9. Ko’paytmaning qaysi biri musbat?
A) sin2cos2sin1sin10 B) tg80ctg8ctg100 C) sin90sin9cos90cos9
D) cos100cos10 cos110cos√11 E) tg7,50tg7,5ctg30ctg3
10.sinα=0,6 bo’lsa, tg2α ni toping 0< α< π/2
A) 3,42 B) C) D) E) 0,96
11. Hisoblang : .
A) B) 1 C) -1 D) 0 E)
12. Siddalashtiring:
A) B) C) D) E)
13. Arifmetik progressiyada bo’lsa, uning ayirmasini toping.
A) 2 B) C) 1 D) 0 E)
14. Arifmetik progressiyada bo’lsa, ni toping.
A) 507 B) 495 C) 502 D) 595 E) 520
15. Geometrik progressiyada va bo’lsa, progressiyaning maxrajini toping.
A) B) C) D) 3 E)
16. Agar geometrik progressiyada =9 va b6=20 bo’lsa , uning 11-hadini toping.
A) 410 B) 405 C) 400 D) 390 E) 395
17. Agar cheksiz kamayuvchi geometrik progressiyada , bo’lsa, uning yig’indisini toping.
A) B) C) - D) 18 E)
18. O’xshash uchburchaklarning perimetrlari nisbati nimaga teng?
A) Mos tomonlar nisbatining kvadratiga; B) O’xshashlik koeffitsentiga;
C) Mos burchaklari nisbatiga; D) O’xshashlik koeffitsentining kvadratiga;
E) Yuzlar nisbatiga.
19. Ikkita o’xshash ko’pburchak uchun noto’g’ri tasdiqni toping:
A) Perimetrlari nisbati tomonlar nisbatiga teng; B) Yuzlarini nisbati tomonlar nisbatining kvadratiga teng;
D) Ularning burchaklari soni teng; E) Perimetrlari nisbati o’xshashlik koeffitsentining kvadratiga teng.
20. Sin 600 nimaga teng? A) B) C) 0 D) E) 1
21. AgarAB=6cm, AC= 4cm, 0 bo’lsa, ABC uchburchak yuzini toping.
A) 6 B) 4 C) 12√3 D) 12 E) 24
22. Aylanaga ichki chizilgan muntazam ko’pburchakning bir tomoni aylanadan 360 ga teng yoy ajratadi. Ko’pburchakning nechta tomoni bor?
A) 6 B) 8 C) 10 D) 12 E) 36
23.Tomoni 5sm bo’lgan kvadratga tashqi chizilgan aylananing radiusini toping.
A) 2,5 B) C) D) 5 E)
24. Uzunliklari 4 sm va 16 sm bo’lgan kesmalarning o’rta proporsionali nimaga teng?
A) 20sm B) 64 sm2 C) 8sm D) 10 sm E)
25. Yarim aylanadagi C nuqtadan AB diametrga tushirilgan CD perpendikulyar AB kesmada 6 va24 ga teng kesmalar ajratadi. CD kesmani toping.
A) 4 B) 12 C) 30 D) E) 144
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