解题方法
1 . 已知双曲线
,则该双曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a0bd4bd9985f1e367c100b453ed03f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-01-15更新
|
691次组卷
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3卷引用:广西桂林市荔浦县荔城中学2022-2023学年高二上学期期末考试数学试题
名校
2 . 已知命题p:“
”,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b9e83def98d898e98191f4df68bdfc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-01-10更新
|
171次组卷
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2卷引用:广西钦州市浦北县2023-2024学年高一上学期期中教学质量监测数学试题
3 . 若点
为抛物线
上一点,
为焦点,且
,则点
到
轴的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1584d07b1e2ddc64349f0f5940f3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.2 | B.3 | C.4 | D.5 |
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2023-01-07更新
|
663次组卷
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2卷引用:广西梧州市2023届高三上学期第一次模拟测试数学(理)试题
4 . 已知向量
,
,
且
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/610ba153451270a8d96ccabc89d61e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3aae53d35dc0d4d958b440b1246760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf92131e9e8fc6943b832fac13388963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380cca64859b15c565b5b65c49438c5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.-3 | B.-2 | C.-1 | D.-4 |
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5 . 已知向量
,
,若
,则实数m的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cf19dad4170648d54773ca05608c3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58c1a7088692dd10d6899610a07adc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd79264e130de60a100b001b5d45585c.png)
A.-2 | B.2 | C.3 | D.-3 |
您最近一年使用:0次
解题方法
6 . 若椭圆
的离心率为
,则m的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deea99d187b1deca6f000c9047d7eef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
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7 . 若
,
且
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3b5f1a1015178f7633581bfbab5256a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276cccfa5894c76a366f57037b52a535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.1 | B.![]() | C.2 | D.0 |
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8 . 椭圆
的左、右焦点分别为
,点
在椭圆
上,已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69daca955a565fa537347dd0d93783f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f977940552e09f59ea959965522dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e203545563ef6c33968cd9fab532638e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 已知双曲线
,则关于双曲线
的结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de66df5b4cd1344339588b99bf7214a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.实轴长为6 | B.焦点坐标为![]() |
C.离心率为![]() | D.渐近线方程为![]() |
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10 . 已知抛物线
,若点
在抛物线上,则点A到焦点的距离为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c918b7042bed26495b497cf74ffa59.png)
您最近一年使用:0次
2023-01-05更新
|
283次组卷
|
2卷引用:广西桂林市逸仙中学2022-2023学年高二上学期11月期中数学试题