解题方法
1 . 已知双曲线
的焦点分别为
、
,
,双曲线
上一点
满足
,则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/f4428ec56246b35cb87bfe7ed50f0ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0048b27a44caabbd688d30ec89ee40ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 已知抛物线
,其准线方程为
.
(1)求抛物线
的方程;
(2)直线
与抛物线
交于不同的两点
,求以线段
为直径的圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db0a1cbf7b0ed76c443b953af8734d0.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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3 . 如图,在正四棱柱
中,
为棱
上的一个动点,给出下列四个结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/3/4d20d730-2c99-4233-9d32-582e23bf5b1b.png?resizew=119)
①
;
②三棱锥
的体积为定值;
③存在点
,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
平面
;
④存在点
,使得
平面
.
其中所有正确结论的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a94b82dd1753348cf763d36f6941155c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/3/4d20d730-2c99-4233-9d32-582e23bf5b1b.png?resizew=119)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad9c3f0236e1f9416d34c12272e8598b.png)
②三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95944bab519692fe8551a7557ab58a09.png)
③存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c1acd7da8817385417e1dff25bfe25.png)
④存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565133e91e3ace2b2187cfc6f1db5be6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1c1acd7da8817385417e1dff25bfe25.png)
其中所有正确结论的序号是
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4 .
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5586538bb6c4de01cfc0bf19053ef4e7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-03更新
|
526次组卷
|
2卷引用:北京市丰台区2023-2024学年高一上学期期末练习数学试卷
5 . 将函数
的图象向右平移
个单位长度后,得到函数
的图象,则函数
的图象的一个对称中心是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca96e340b1b7692256029b79a84956d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 已知双曲线
的离心率
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fce524833caca534ab61187c85564bb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790f682ab3b50ba3f79e1ab6c67c75a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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7 . 已知抛物线顶点在原点,以坐标轴为对称轴,从以下两个条件中任选一个条件,并根据所选条件写出一个抛物线的标准方程.①焦点
;②经过点
.你所选的条件是______ ,得到的一个抛物线标准方程是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63309dbc3612815f6dbdee23d9a10adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
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解题方法
8 . 已知直线
和直线
平行,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3fb9eb78c9aeb67ab8a0c7058e6337d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ceecc6604a211129eead8e70d9a99d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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9 . 已知展台上四个盲盒中装有由卡通动漫人物设计的四款不同的产品,学生甲喜欢其中的一款.甲从四个盲盒中抽选两个,则“学生甲抽到了喜欢的那一款”的概率为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 圆心为
,且与直线
相切的圆的半径为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a7e88b74f492f89e21e4cf65353bdb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23fc11a3a7592c68b20f93bdde2ed3f.png)
A.![]() | B.2 | C.8 | D.![]() |
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