1 . 已知直线l经过点
,曲线
:
.下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9b41e8cc050a0616f10f13d6780bc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c17757aab2a5a4b5bf3cc88432bbfb0e.png)
A.当直线l与曲线![]() ![]() |
B.当直线l与曲线![]() |
C.当直线l与曲线![]() ![]() |
D.存在定点Q,使得过Q的任意直线与曲线![]() |
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2023-05-25更新
|
422次组卷
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2卷引用:湖北省孝感市重点中学2023届高三下学期5月最后一卷数学试题
2 . 若对圆
上任意一点
,
的取值与
,
无关,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a1a9410da8e3e67a8472aa5829d298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eabe70b7d0eca66cc32377c8d62484dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
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