1 . 经过点
和
的直线的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ca651bfc89628a3b05c6e87ce5d6f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e9b5ce6c786be4588150ea33b0a3aa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 已知直线l过点
且一个方向向量为
,则l在y轴上的截距为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/148d97803c3b16893ced41ad5cd9aba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca280ccbf4426a4e3837e03ac8791d9a.png)
A.![]() | B.1 | C.![]() | D.5 |
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3 . 已知离心率为
的双曲线
与x轴交于A,B两点,B在A的右侧.在E上任取一点
,过点B作直线QB垂直PA交于点Q,直线PB、QA分别交y轴于不同的两点M,N.
(1)求双曲线E的方程;
(2)求证:直线
与直线
的斜率乘积为定值;
(3)三角形MNB的外接圆是否过x轴上除B点之外的定点,若是,求出该定点坐标:若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f9c7f26c2b768d5bae9fc062d431348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2dde6ab3c91e54f052de132494a5e5.png)
(1)求双曲线E的方程;
(2)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
(3)三角形MNB的外接圆是否过x轴上除B点之外的定点,若是,求出该定点坐标:若不是,请说明理由.
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4 . 已知
,
,则直线
的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9605d38c1f5f2554e3026d8653a2e5ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知点
在圆C:
上,点
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4945ae9388bd0fbdacb79caa9af22a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0d256036d52b784b8c68bfc8db69d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6938eeb65411eeac15e140cf1db99773.png)
A.直线![]() ![]() |
B.点![]() ![]() |
C.当![]() ![]() |
D.![]() |
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6 . 斜拉桥是桥梁建筑的一种形式,在桥梁平面上有多根拉索,所有拉索的合力方向与中央索塔一致.如图,一座斜拉桥共有10对拉索,在索塔两侧对称排列,已知拉索上端相邻两个锚的间距
均为4m,拉索下端相邻两个锚的间距
、
均为16m,最短拉索
满足
,
,若建立如图所示的平面直角坐标系,则最长拉索
所在直线的斜率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/d32d315d-c143-4eef-9a6b-1f4bfac716b2.png?resizew=419)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2622b9c29b53520fedbedc027ad6729b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62db531f04c3b123c92c067c8195db4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ac2a47adf396cca2dff348be266c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68634c2c23d016c50668fbfc198e3dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a01bf5fb24ac6fc1fdb94dbe074da6ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc626bcf0b839ef9a59f1069acd3c04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607493c6a110c74b6cee017151e67170.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/d32d315d-c143-4eef-9a6b-1f4bfac716b2.png?resizew=419)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 过
、
两点的直线的斜率为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57aa8cde3db3f55744c4ea4759a7ced2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd511f3c85a0c2e237d263b6b30475b2.png)
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2024-03-06更新
|
210次组卷
|
4卷引用:浙江省临平萧山联考2023-2024学年高二上学期期末数学试题
8 . 已知直线
过点
,
,则直线
的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/065616071ffc506e86c394f0dc310ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 已知椭圆
的离心率为
,
、
是左、右焦点,
为椭圆的下顶点,连接
并延长交椭圆于点
,则直线
的斜率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3656055f5256cd06e636ea96e9f89c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
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解题方法
10 . 已知
的三个顶点
,
,
.
(1)求
边上中线
所在直线的方程;
(2)已知点
满足
,且点
在线段
的中垂线上,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eae019053ae564f08c01487f7ff7986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02af485e17e7628fd5a3ace6e0a32ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56949d0020ef52ab9e2ce39c8d992afa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e381acbbddb8a60dfac175402ea1202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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