1 . 设命题
实数
满足:方程
表示圆;命题
实数
满足:方程
表示双曲线,若
是
的充分不必要条件,求正实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24449ae11798d393bbf5311b4a151af8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/682810c966762b5281f428850cd917bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2018-04-09更新
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831次组卷
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5卷引用:重庆綦江区2017—2018学年度第一学期期末高中联考高二文科数学试题
重庆綦江区2017—2018学年度第一学期期末高中联考高二文科数学试题(已下线)2019年一轮复习讲练测【新课标版理】1.2 命题及其关系、充分条件与必要条件(已下线)2019年一轮复习讲练测【新课标版文】1.2 命题及其关系、充分条件与必要条件(测)【市级联考】河北省张家口市2018-2019学年高二12月月考数学(理)试题(已下线)专题02 充分条件与必要条件-2021届江苏省新高考数学大讲坛大一轮复习
2 . 点
关于直线
的对称点的坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cceff0e7d103475c3ba9a2712f373185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a362b22d77130726c8dda391382eb186.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-04-09更新
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1008次组卷
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2卷引用:重庆綦江区2017—2018学年度第一学期期末高中联考高二文科数学试题
名校
3 . 已知点
在直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e79b7ee347968a372027f7e7e40aa8.png)
上,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30277e0be448b4955903e81e8795e45d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e79b7ee347968a372027f7e7e40aa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca16a3d715568b1d9833d73b094a4f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
A.4 | B.![]() | C.![]() | D.![]() |
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4 . 离心率为
的双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
的渐近线方程为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59ab85c075a09d55d69e159e4abb268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49ad943df3f041566c76f1a3b1513852.png)
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5 . 设
为两条不同的直线,
为两个不同的平面.下列命题中,正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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名校
解题方法
6 . 某几何体的三视图如右图所示,则该几何体的体积为
![](https://img.xkw.com/dksih/QBM/2018/4/8/1919576714043392/1920366411038720/STEM/b5b66af6f4044a3192f3ad7ab6108b04.png?resizew=256)
![](https://img.xkw.com/dksih/QBM/2018/4/8/1919576714043392/1920366411038720/STEM/b5b66af6f4044a3192f3ad7ab6108b04.png?resizew=256)
A.![]() | B.![]() | C.![]() | D.![]() |
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5卷引用:重庆綦江区2017—2018学年度第一学期期末高中联考高二文科数学试题
7 . 点
为直线
上的一点,点
为圆
上的一点,则
的最大值为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ada22b87ed04a9a4afe7fc34683b2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab821096dca880730ed3cadc2497a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82358b724051b032c7ec734a226ae84.png)
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解题方法
8 . 关于
的方程
有两个不等的实数根,则实数
的取值范围为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba9a9a10022ae9add237ead65396c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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9 . 如图,在边长为2的正方体
中,
为平面
内的一动点,
于
,若
,则点
的轨迹为
![](https://img.xkw.com/dksih/QBM/2018/4/8/1919576714043392/1920366411169792/STEM/475935ee88304ce1aaa4758e46dbc19d.png?resizew=160)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a99be053c95aefbebe7460e50df572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef7eab528a8dd3e3f328de3b3ac80ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070e201aa02632981f61018c672a4d80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2018/4/8/1919576714043392/1920366411169792/STEM/475935ee88304ce1aaa4758e46dbc19d.png?resizew=160)
A.椭圆 | B.双曲线 | C.抛物线 | D.圆 |
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2018-04-09更新
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3卷引用:重庆綦江区2017—2018学年度第一学期期末高中联考高二文科数学试题
10 . 在空间直角坐标系中,设
,
,
,
的中点为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb2d34488e12d9a7177ff5d0c76fe07.png)
_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88eccdc3ded57bcd308a2a91ddf50b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18672be14d911cbf53b7f9a7c9864e08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc82a8174766c42dac2fa3de5f309200.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb2d34488e12d9a7177ff5d0c76fe07.png)
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