名校
1 . 已知直线
和直线
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f57877de832fb3ea040c122bdc9fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1935a2b08527337f74169f226c9b8872.png)
A.若![]() ![]() ![]() |
B.直线![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() |
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2024高三·全国·专题练习
2 . 已知四边形
的四个顶点坐标分别为
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/22/1d6bd8ec-4117-40d3-a56b-aef5f3124940.png?resizew=148)
试判断四边形
的形状,并给出证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f6f2ad471da1d089380e8dc2b8a9e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8441aea1d7b53fcd6a5848535ab6e9c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ce7cfab6bab94d498c0b8dc35cd18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e811e667a2fd1349517b0c7fabf144c0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/22/1d6bd8ec-4117-40d3-a56b-aef5f3124940.png?resizew=148)
试判断四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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3 . 已知直线:
,则下列结论正确的是( )
A.直线![]() ![]() |
B.过点![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.若直线![]() ![]() ![]() |
您最近一年使用:0次
解题方法
4 . 已知直线
与直线
,下列说法正确的是()
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d31287fee7ebb45600bd9b1301fa03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/917ccb7edb8edef9f1241136d7121b33.png)
A.当![]() ![]() ![]() |
B.直线![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() |
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5 . 若直线
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92b523ec5f3b5dee43321573086cc4b.png)
A.![]() ![]() ![]() | B.![]() |
C.![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
2024-03-02更新
|
152次组卷
|
2卷引用:陕西省西安市鄠邑区2023-2024学年高二上学期期末考试数学试题
解题方法
6 . 已知直线
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05bf97fded8321d0d9f622c5162e8ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39510d9c29c8f898769f24054c75df30.png)
A.![]() ![]() | B.当![]() ![]() |
C.当![]() ![]() | D.当![]() ![]() |
您最近一年使用:0次
解题方法
7 . 下列说法正确的是( )
A.点![]() ![]() |
B.若直线![]() ![]() ![]() |
C.过点![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
8 . 已知两条直线
和
,其斜率分别是一元二次方程
的两不等实数根,则其位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/240093c5f1c0255e9e8446e2a22d1b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b917c3f095cb05589d10787a0fce3b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649c615401d0c7fd875a35a5e0b1395b.png)
A.平行 | B.垂直 | C.重合 | D.异面 |
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解题方法
9 . 直线
的方向向量是
,则下列选项中的直线与直线
垂直的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d497dbfd462117e8b9436ead6ead79a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 已知
的三个顶点分别为
,
,
.
(1)求边
所在直线的方程;
(2)判断
的形状.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16a46f03535c5af872fa8fa9f21a431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f68f688a0af020ed2aa105a1bcdb52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a56e5ddc6dc057aa4076130cc6ce19.png)
(1)求边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次