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解题方法
1 . 已知抛物线C:
的焦点为F,过点F的直线l与抛物线C交于A,B两点,O为坐标原点,直线
过点A且与OA垂直,直线
过点B且与OB垂直,直线
与
相交于点Q,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
A.设AB的中点为H,则![]() |
B.点Q的轨迹为抛物线 |
C.点Q到直线l距离的最小值为![]() |
D.![]() ![]() |
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2024-06-13更新
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86次组卷
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2卷引用:吉林省通化市梅河口市第五中学2024届高考模拟预测数学试题
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2 . 已知点A是抛物线
上的动点,
为坐标原点,
为焦点,
,且
三点顺时针排列,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74de352eb2053f850f8367d54280be46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f5e21d225bf3c159ddf3876fbb8fb1.png)
A.当点![]() ![]() ![]() |
B.当点![]() ![]() ![]() |
C.当点A与点![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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3 . 已知点
是抛物线
的焦点,
为坐标原点,直线
与抛物线交于
两点,抛物线
的准线与
轴交于点
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.若![]() ![]() ![]() ![]() |
B.若抛物线上的点![]() ![]() ![]() |
C.以![]() |
D.直线![]() ![]() ![]() ![]() ![]() |
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4 . 已知正方体
的棱长为
为空间中任一点,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fbbef586571a9f7a7de18d48387485a.png)
A.若![]() ![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.若三棱锥![]() ![]() ![]() |
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解题方法
5 . 已知双曲线
的左、右焦点分别为
、
,过点
作直线
交双曲线
的右支于
、
两点,其中点
在第一象限,且
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/927b51d8d63ea205ca15cda550b13ace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df0be6a014b2bd07e265b4cb1ee1b45.png)
A.双曲线![]() ![]() |
B.过点![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() |
D.![]() ![]() ![]() |
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6 . 已知线段
的长度为4,线段
的长度为
,点
、
满足
,
,且
点在直线
上,若以
所在直线为
轴,
的中垂线为
轴建立平面直角坐标系,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244c618a5ff68895e8156c10971ba4c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/089f8c4dfb159e9b89cb71fb899cda78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
A.当![]() ![]() |
B.当![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() |
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7 .
为抛物线
的焦点,点
在
上且
,则直线
的方程可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff29e80ba6c16e1177e7873a396a7a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-02-21更新
|
675次组卷
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4卷引用:吉林省梅河口市第五中学2023届高三下学期第一次模拟考试数学试题
吉林省梅河口市第五中学2023届高三下学期第一次模拟考试数学试题(已下线)专题22 抛物线-3(已下线)专题13圆锥曲线的定义、方程与性质江西省上饶市第一中学2022-2023学年高二下学期第一次月考(3月)数学试题
名校
解题方法
8 . 已知正方体
棱长为
,
为棱
的中点,
为底面
上的动点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a0c3a4e61b97fa9bc58f3179fc2958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
A.存在点![]() ![]() |
B.存在唯一点![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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2022-11-30更新
|
671次组卷
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9卷引用:吉林省通化市梅河口市第五中学2023届高考二模考试数学试题(火箭班)
吉林省通化市梅河口市第五中学2023届高考二模考试数学试题(火箭班)湖南省湖湘教育三新探索协作体2021-2022学年高二下学期期中联考数学试题广东省广州市番禺区2021-2022学年高二下学期期末数学试题福建省厦门第二中学2022-2023学年高二上学期第一阶段考试数学试题福建省永春第一中学2022-2023学年高二上学期12月月考数学试题安徽省滁州市定远县民族中学2022-2023学年高二下学期开学考试数学试题江苏省连云港高级中学2022-2023学年高二下学期第一次学情检测数学试题(已下线)1.3 空间向量及其运算的坐标表示(精练)-2023-2024学年高二数学《一隅三反》系列(人教A版2019选择性必修第一册)福建省漳州立人学校2022-2023学年高二上学期12月月考数学试题