9-sinf, I – variant k ning shunday qiymatini topingki, y=-x2


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9-sinf, I – variant.


  1. k ning shunday qiymatini topingki, y=-x2 parabola bilan y=kx-6 to`g`ri chiziqning kesisish nuqtalaridan birining absissasi x=2 bo`lsin.

  1. k=-1 B) k=1 C) k=2 D) k=-2

  1. parabola qaysi choraklarda joylashgan?

  1. I, II, III B) II, III, IV C) I, III, IV D) I, II, III, IV

3. tengsizlikning barcha butun yechimlari yig`indisini toping?

  1. A) 10 B) 9 C) -9 D) -10

4. To`g`ri to`rtburchakning diagonali uning bir tomonidan 2 marta uzun. To`g`ri to`rtburchakning diagonallari orasidagi burchakni toping.

  1. A) 30o B) 60o C) 150o D) 90o

5. ning qanday qiymatida tengsizlik x ning barcha qiymatlarida o`rinli bo`ladi?

A) B) C) D)



6. Tengsizlikni yeching:

A) x<0 B) x>0 C) D) x<2

7. Agar bo`lsa ni toping?

A) B) C) D)



8. Teng yonlitrapetsiyaning asoslari 10 sm va 16 sm, yon tomoni esa 5 sm. Trapetsiyaning yuzini toping?

A) 45 sm2 B) 50 sm2 C) 52 sm2 D) 48 sm2



9. Ifodaning son qiymatini toping: bunda

A) 14,4 B) 12 C) 11 D) 1,2



10. Funksiyaning aniqlanish sohasini toping:

A) B) C) D)



11. Agar ABC uchburchakda AB=6sm, BC=12 sm va bo`lsa, uchburchakning A burchagini toping?

A) 45o B) 90o C) 60o D) 30o



12. Geometrik progressiyada q= bo'lsa, S ni hisoblang?

A)2+ B)3 C) D)2



13. Agar ikki vektorning uzunliklari va ular orasidagi burchak 45o bo`lsa, va vektorlarning skalyar ko`paytmasini toping?

A) 52 B) 32 C) 2 D) 102



14. ning qanday qiymatlarida giperbola bilan to`g`ri chiziq bitta umumiy nuqtaga ega bo`ladi?

A) 10 B) -9 C) 8 D) 9



15. Sonlarni osish tartibida joylashtiring:

A) B) C) D) 'lsa



16. Radiusi 3 sm bo`lgan aylananing gradus o`lchovi 150o bo`lgan markaziy burchagi tiralgan yoy uzunligini toping.

A) sm B) sm C) D)



17. bo'lsa sin2a ni hisoblang

A) B) C) D)



18. cosa+sina= bo'lsa ni toping

_____________________________________________________________________________________23._Markaziy_burchagi_140_o_,_yuzi_31,5_sm_2'>___________________________________________________________________________________'>___________________________________________________________________________________



19. Uchburchak burchaklarining nisbati 3:2:1 kabi bo`lsa, uning tomonlari nisbatini toping.

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20. Diametri 6 ga teng doira yuzini toping.

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21. Arifmetik progressiyada , d=5, n ni qiymatini toping

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22. Agar parallelogrammning diagonallari 10 sm va sm ga teng bo`lsa, parallelogrammning tomonlarini toping.

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23. Markaziy burchagi 140o, yuzi 31,5 sm2bo`lgan doiraviy sektorning radiusini aniqlang.

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24. Perimetri 30 sm bo`lgan parallelogrammning tomonlari2:3 nisbatda. Agar parallelogrammning o`tkir burchagi 30obo`lsa, uning yuzini toping.

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25.Tengsizlikning barcha butun yechimlari yig`indisini toping:

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