直线与双曲线位置关系的判断
已知直线
,双曲线
,由
可得
①,
(1)当______ 时,①仅有一个解,此时直线与双曲线有一个交点;
(2)当
,若①对应的判别式为
,
当
时,①有两个不同的实数解,此时直线与双曲线有_____ 个交点;
当
时,①有两个相同的实数解,此时直线与双曲线有_____ 个交点;
当
时,①无解,此时直线与双曲线_____ 交点;
已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef66f4832adc43902055a7e6d258037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d8b306e1df944fb248ca1456597d29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/505b27ac919667a0e94853d281c080a6.png)
(1)当
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf6139b2e744606ed95deb2126fbcbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eff35e4e3cdc188643c46265591575c6.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dda1e6337ff7355c2fe9c19f9d619f5f.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c2b0eb6b8e515c616b5cdd4c37fefc3.png)
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc39e3f9688bc77675ffdf0dd79da142.png)
更新时间:2023-09-16 15:33:19
|
【知识点】 根据直线与双曲线的位置关系求参数或范围
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