名校
1 . 已知双曲线
的离心率为
,焦点到渐近线的距离为
,则双曲线
的焦距等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c4088276acdbede4781b2ebc466366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 圆锥曲线
的离心率
,则m的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8369358e3053707817e7d721e8c91ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
A.![]() | B.4 | C.![]() | D.-2或4 |
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名校
3 . 双曲线
的渐近线方程为
,则其离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95b60de1f6993edd7275bcf8b9527dd.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
名校
4 .
,
分别是双曲线
的左、右焦点,
为双曲线右支上一点,且
,则△
的周长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1983309686915252c4efc8e4455b9d96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd667e0760bbb6e0b23a581fef05773a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5a8e1bc9748e5519dcd9981b7eb251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
A.12 | B.16 | C.18 | D.28 |
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5 . 双曲线
的渐近线方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f7be3e73c8da253fa3cb8a9c2d508a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-12-25更新
|
193次组卷
|
2卷引用:重庆市云阳县2019-2020学年高二上学期期中考试数学(文)试题
名校
6 . 若双曲线
的渐近线方程为
,则其离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cfe4a3d91a9e02b47a91cc8957e4b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1858c25b1f8ba03e2b0cef03af017d3.png)
A.![]() | B.2 | C.3 | D.![]() |
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2019-12-16更新
|
440次组卷
|
3卷引用:重庆市沙坪坝区第一中学校2019-2020学年高二上学期期中数学(理)试题
名校
解题方法
7 . 直线
与双曲线
的左、右支分别交于
两点,
为右焦点,
为坐标原点,若
,则该双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5011a6a38542b0a2ba03540b4aaf89e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9439c45a95e86103501b9da91226cccc.png)
A.2 | B.![]() | C.![]() | D.![]() |
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名校
8 . 若双曲线
的渐近线为
,且双曲线
经过点
,则双曲线
的焦点在( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10273b05ad8210d8db07639c4d149fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c238ee5b07f7d3827445049a00846d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.既可能在![]() ![]() | D.以上答案均不对 |
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2020-03-02更新
|
72次组卷
|
2卷引用:重庆市西南大学附属中学2018-2019学年高二上学期期中(理)数学试题
名校
9 . 下列双曲线中,渐近线方程为
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1182bb47a256925beb8ce0c9d0be7fbf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-02-24更新
|
203次组卷
|
6卷引用:重庆市巴蜀中学校2018-2019学年高二上学期期中(理)数学试题
名校
10 . 平行四边形
的四个顶点均在双曲线
上,直线
的斜率分别为
,1,则该双曲线的渐近线方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df7fc746f8c4801d8f2f0471ba3297e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次