<table id="reodn"><input id="reodn"></input></table>
  • <dfn id="reodn"></dfn>
  • <big id="reodn"></big>
    <table id="reodn"><tr id="reodn"><xmp id="reodn"></xmp></tr></table><dl id="reodn"><wbr id="reodn"><small id="reodn"></small></wbr></dl>
    • <var id="reodn"></var>

      (文)如果直線l將圓x2y2-2x-4y=0平分,且不通過第四象限,則直線l的斜率的取值范圍是                                                                                             (  )

      A.[0,1]                     B.           C.                       D.[0,2]

       (理)若曲線x2y2+2x-6y+1=0上相異兩點(diǎn)PQ關(guān)于直線kx+2y-4=0對稱,則k的值為                                                                                             

      A.1                   B.-1                C.               D.2

      練習(xí)冊系列答案
      相關(guān)習(xí)題

      科目:高中數(shù)學(xué) 來源:2011屆高考數(shù)學(xué)第一輪復(fù)習(xí)測試題10 題型:013

      (文)如果直線l將圓x2+y2-2x-4y=0平分,且不通過第四象限,則直線l的斜率的取值范圍是

      [  ]
      A.

      [0,1]

      B.

      [,1]

      C.

      [0,]

      D.

      [0,2]

      查看答案和解析>>

      科目:高中數(shù)學(xué) 來源: 題型:

      (09年臨沭縣模塊考試文)如果直線l將圓平分,且l不通過第四象限,則直線l的斜率的取值范圍是                                                                                                  (    )

             A.[0,2]                B.[,1]              C.[0,]              D.[0,1]

      查看答案和解析>>

      科目:高中數(shù)學(xué) 來源: 題型:

      (文)如果直線l將圓x2y2-2x-4y=0平分,且不通過第四象限,則直線l的斜率的取值范圍是                                                                                             (  )

      A.[0,1]                     B.           C.                       D.[0,2]

       (理)若曲線x2y2+2x-6y+1=0上相異兩點(diǎn)P、Q關(guān)于直線kx+2y-4=0對稱,則k的值為                                                                                             

      A.1                   B.-1                C.               D.2

      查看答案和解析>>

      同步練習(xí)冊答案