5-sinf uchun matematika fanidan bkm lar ruyxati va ularga mos variant savollari

9-sinf uchun test II variant
1. Parobala uchining kordinatalarini toping: y=(x+4)²+3. A) (3;4) B) (-4;3) C) (4;3) D) (4;-3) E) (4;0).
2. x²-9x+20 kvadrat uchhadni ko‘paytuvhilarga ajrating
A) (x+4)(x+5) B) (x-4)(x+5) C) (x-4)(x-5) D) (x-2)(x-2,5); E) (x+3)(x+2,5).
3. Tengsizlikni yeching. (x+7)(x+1)>0. A) x>-1 B) x<-7 C) -7-1; x<-7 E) x>8.
4. Hisoblang: . A) 1,2 B) 12 C) 162 D) 16,2 E)6.
5. a=125 bo‘lsa, ifodaning son qiymatini toping. A) -25 B) 15 C) -5 D) 5 E) 25.
6. Funksiyaning aniqlanish sohasini toping: y=
A)1 B)17. Funksiyalarning qaysilari toq funksiya? 1) y=6x 2) 3) y=4x+7 4) y=2x²-10.
A) 2, 4 B) 2, 3 C) 3, 4 D) 1, 4 E) 1, 2.
8. radianli burchakning gradus o‘lchovini toping. A) 100^o B) 135^o C) 45^o D) 75^o E)
9. Ko‘paytmaning qaysi biri manfiy?
A) cos314^osin147^o B) tg200^octg201^o C) cos215^o cos295^o D) sin170^octg250^o E) cos215^otg315^o
10. Soddalashtiring: . A) B)1 C) 0,5 D) E)-1.
11. bo‘lsa, ni toping. A) B) C) D) E) .
12. Agar va bo‘lsa, ni toping. A) B) C) D) E) .
13. 7, 9, 11, … , - arifmetik progressiyaning ayirmasini toping. A) -2 B) 2 C) D) E) 16.
14. Agar arifmetik progressiyada , n=10 bo‘lsa, uning dastlabki 10 ta hadining yig‘indisini toping. A) 255 B) 510 C) 61 D) 550 E) 455.
15. Geometrik progressiyada bo‘lsa, uning mahrajini toping. A)27 B) C) D)3 E) -3.
16. Agar geometrik progressiyada , q=2 bo‘lsa 6-hadini toping. A)256 B)32 C) 8 D) E) .
17. Geometrik progressiyada , q=3 bo‘lsa ni toping. A)1458 B)723 C)364 D)728 E)to‘g‘ri yo’q
18. Ikkita o’xshash uchburchak yuzlarining nisbati nimaga teng?
A) O’xshashlik koeffitsentiga; B) Mos tomonlar nisbatiga;
C) Mos burchaklari nisbatiga; D) Ularning perimetrlari nisbatiga; E) O’xshashlik koeffitsentining kvadratiga;
19. Ikkita o’xshash ko’pburchak uchun noto’g’ri tasdiqni toping:
A) Ularning tomonlari soni teng; B) Ularning burchaklari soni teng; C) Perimetrlari nisbati o’xshashlik
D) Mos tomonlari proportsional koeffitsentlariga teng E) Yuzlarining nisbati o’xshashlik koeffitsentlariga teng.
20. Sinα=1/2 bo’lgan α o’tkir burchakni ko’rsating A) 30⁰ B) 45⁰ C) 180⁰ D) 90⁰ E) 60⁰
21. To’g’ri burchakli uchburchakning bir burchagi 60⁰ga, katta kateti esa 6 ga teng.uniny kichik katetini toping
A) B) C)√3 D) 2√3 E) 4√3
22. Istalgan muntazam ko’pburchak uchun noto’g’ri tasdiqni toping
A) Ichki aylana chizish mumkin; B) Diagonallari teng; C) Tashqi qylanachizish mumkin;
D) Tomonlari teng; E) Burchaklari teng.
23.Radiusi 5sm bo’lgan aylanaga ichki chizilgan muntazam oltiburchakning perimetrini toping.
A) 30 B) 5 C) D)15 E)
24.Uzunliklari a va b bo’lgan kesmalarning o’rta proporsionali nimaga teng?
A) a+b B) C)ab D) E) a:b
25. Yarim aylanadagi C nuqtadan AB diametrga tushirilgan CD perpendikulyar AB kesmada 4 va 9 ga teng kesmalar ajratadi. CD kesmani toping. A) 36 B) C) 13 D) 6 E)