(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

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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]

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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]

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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

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