1 . 设直线
和圆
相交于
,
两点,若
,则
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2c362f65284c9e1b259c332b164556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b94bed6d32210c0e669ef5b650dd746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63da06737288eea5e2a56b5b507179f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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2 . 设圆
和不过第三象限的直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
,若圆
上恰有三点到直线
的距离为
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62fba97f859d3c49e3e2b9db86ee1655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34faf8584c0a5124bfd1da316bbc8eaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.2 | B.4 | C.26 | D.41 |
您最近一年使用:0次
2024-03-15更新
|
518次组卷
|
3卷引用:重庆市康德卷2024年普通高等学校招生全国统一考试高考模拟调研卷(三)数学试题
名校
解题方法
3 . 已知直线
和直线
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98b76ecec3a89a0d900c0644da66c6a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e815108e349c604f38dc4947ecc34ea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a04d8065b095cfe45820641247cb00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80645381feb9746cc149da61d553974a.png)
A.充要条件 | B.必要不充分条件 |
C.充分不必要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
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4 . 已知点
在抛物线
上,
为抛物线的焦点,则直线
的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e2844b73f6be0b9ef0579a5f2e5605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b35f0b940c8422ef47edc3b7ce55e47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8db072e2b6104671b82f948012fb45.png)
A.3 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 已知圆
,直线
,若直线
与圆
交于
两点,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f97d9a51394b190f99b75bd277178ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a626d8666edc937b477bc7fab6f90dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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