已知向量
,
,若
与
的夹角为
,则直线
与圆
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afb2a6ac6bb1cb11445577dd97e0fa30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0252b07d06b2aee0c4871e8b52fdae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c83cc013306950430e604d1ad5162fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b3cc289d0c7e9b6c699275d9251edb.png)
A.相离 | B.相切 | C.相交但不过圆心 | D.相交且过圆心 |
更新时间:2020-05-01 07:18:48
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解题方法
【推荐1】已知点
,
是圆
上的两点,且
,则
( )
![](https://img.xkw.com/dksih/QBM/2021/5/11/2718551924015104/2719705437659136/STEM/2104f1e5-a3ae-49b1-bea0-69a65263c14d.png?resizew=222)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84cef568cfe2fc12a4dec11533ada274.png)
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A.6 | B.![]() | C.![]() | D.3 |
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【推荐2】已知平面上有三点
,
,
,已知
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的一个四等分点.若
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的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】设
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,
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的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee951c07b38c131b8d355f0bdacc198c.png)
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A.-1 | B.1 | C.-2 | D.![]() |
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【推荐1】已知集合
,
,则集合
中元素的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b4dccd5c64bc45bfb46880cdcee0c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ca18aaa162a55b7fdc578f7d598ab2.png)
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A.3 | B.2 | C.1 | D.0 |
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【推荐2】已知集合
,
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A.![]() | B.0 | C.1 | D.2 |
您最近一年使用:0次