1 . 下列结论正确的是( )
A.若![]() ![]() |
B.直线:![]() ![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.若函数![]() ![]() ![]() |
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2 . 以下四个命题正确的有( )
A.直线![]() ![]() ![]() |
B.直线l过定点![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() |
D.已知![]() ![]() ![]() ![]() |
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2023-12-15更新
|
365次组卷
|
3卷引用:浙江省宁波三锋教研联盟2023-2024学年高二上学期期中联考数学试题
3 . 下列结论正确的是( )
A.直线的倾斜角越大,其斜率就越大 |
B.若直线![]() ![]() ![]() |
C.过点![]() ![]() |
D.点![]() ![]() ![]() |
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4 . 下列命题正确的是( )
A.集合![]() |
B.若直线![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.长、宽、高分别为1、2、3的长方体的外接球的表面积是![]() |
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5 . 下列说法正确的是( )
A.已知直线![]() ![]() ![]() ![]() ![]() |
B.已知直线![]() ![]() ![]() ![]() ![]() |
C.点![]() ![]() ![]() ![]() |
D.已知![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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6 . 已知直线
:
(
,
均为不等于0的实常数),直线
:
.
(1)若
,求
的值;
(2)若当
时,
过定点
,
为原点,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/470461204c419f72253a2b64cad521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3aa3adcb154f6144903d456289ecb0f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18839099fb51cb1dda11653615ad0a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c6ce02259a85ea191541f4a708738f1.png)
(2)若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0270feaf08534fe711c915f4bfc8900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2023-11-21更新
|
169次组卷
|
3卷引用:广东省东莞市南城开心实验学校2023-2024学年高二上学期期中数学试卷
广东省东莞市南城开心实验学校2023-2024学年高二上学期期中数学试卷宁夏回族自治区2023-2024学年高二上学期期末测试数学训练卷(一)(范围:选择性必修第一册)(已下线)模块三 专题5 大题分类练(直线和圆的方程)拔高能力练 期末终极研习室(高二人教A版)
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7 . 下列说法中,不正确的有( )
A.若![]() ![]() ![]() ![]() ![]() |
B.若直线![]() ![]() ![]() ![]() ![]() |
C.已知点![]() ![]() ![]() ![]() ![]() |
D.若集合![]() ![]() ![]() ![]() |
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2023-11-21更新
|
116次组卷
|
2卷引用:四川省遂宁市蓬溪县蓬溪中学2023-2024学年高二上学期半期数学试题
解题方法
8 . 下列命题中,是假命题的是( )
①若直线
与直线
平行,则
的值为
或0;
②若
为双曲线
上两点,则
可以是线段
的中点;
③经过任意两个不同的点
的直线都可以用方程
表示;
④向量
的夹角为钝角时,实数
的取值范围是
.
①若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8beecb0fed212527f6177fb814fb9ec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/327ee73017c65e7ca2e7b08750799747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3bb40eca0847b7a24593f9ed3d779e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
③经过任意两个不同的点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a00dc6f0af494437c9f98223f3e861f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e0807664c6f46f14df966ea4a6d8dae.png)
④向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fccd71137946761309350f73943f33a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/525e17919dc3b6bed8048789e4cee1fb.png)
A.①④ | B.③④ | C.①②④ | D.②④ |
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解题方法
9 . 小明研究一张坐标纸中四点
的关系时,发现直线
与
的方向向量互相垂直,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549f99e6e10e61af2e7734c4d01ea90c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f1c927038871b5e00a59e60360d4021.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549f99e6e10e61af2e7734c4d01ea90c.png)
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解题方法
10 . 已知分别过定点
的直线
,
与
轴交于
点
(1)若
为
中,边
上的高所在直线,求边
上的中线所在直线方程;
(2)若
为
中,边
上的中线所在直线,求边
上的高所在直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0c0f4817f404abe5e46ae1531ade97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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