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Xxi asr – Aql zakovat, ma’naviyat va bilimdonlik asri bo’ladi
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| bet | 39/48 | | Sana | 20.12.2023 | | Hajmi | 4,4 Mb. | | #125422 |
Bog'liq 5 9 matematikadan yozma ish.II variant
1. Qaysi funksiya kvadratik funksiya bo’lmaydi?
1) х + 2х2 2) у = х2 – 1 3) у = х2 + 4) у = х2 – х – 1.
2. Funksiyaning nollarini toping: .
1) -3 va - 2 2) 0 va 1 3) -1 va - 4) 1 va - .
3. Tengsizlikni yeching: .
1) 2) 3) , 4)
4. Tengsizlikni yeching: : .
1) x > -7 2) -7 < x < 1 3) x > 1 4) x < -7
5. Tengsizlikni yeching: : .
1) –2 < x < 1 2) -2 < x < 0,5 3) 4) 0 < x < 0,2
6. Ifodaning qiymatini toping:
1) 2) 3) 4)
7. Ifodani soddalashtiring:
1) 2) 3) 4) .
8. Ikki sonning yig’indisi 16 ga teng. Bu sonlarning ko’paytmasi qanday eng katta qiymatga ega bo’lishini aniqlang.
1) 6 2) 7 3) 5 4) 3
9. Doira yuzi formula bilan hisoblanadi, bu yerda - doira radiusi (m), ; - doira yuzi ( ). Radiusi 8,5 m bo’lgan doiraning yuzini toping.
1) 2) 3) 4)
10. Doira yuzi formula bilan hisoblanadi, bu yerda - doira radiusi (m), , - doira yuzi ( ). Yuzi 286 m² bo’lgan doira radiusini toping.
1) 2) 3) 4)
10. Hisoblang: .
1) 1 2) –1 3) 0 4) .
11. Hisoblang: .
1) 1 2) –1 3) 4) .
12. - arifmetik progressiyada va . ni toping.
1) 44 2) -44 3) -33 4) 33.
13. Agar va bo’lsa, arifmetik progressiyaning dastlabki to’qqizta hadining yig’indisini toping.
1)104 2) 108 3) 106 4) 109.
14. Agar va bo’lsa, geometrik progressiyaning maxrajini toping.
1) 0,6 yoki - 0,6 2) 0,3 yoki –0,3 3) 0,4 yoki –.0,4 4)6 yoki –6.
15. Agar va bo’lsa, geometrik progressiyaning dastlabki to’qqizta hadining yig’indisini toping.
1) 511 2) 512 3) 513 4) 510
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