名校
解题方法
1 . 已知抛物线
的焦点为
,准线为
,点
,
在
上(
在第一象限),点
在
上,
,
,( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa2c731aaa4005382d5b4324e29fbb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/7f9e8449aad35c5d840a3395ea86df6d.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9b457e3c07be3cc5b1901cc0821f47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37edfa50ca7b7900ed58b813954cecf2.png)
A.若![]() ![]() | B.若![]() ![]() |
C.则![]() ![]() | D.则![]() ![]() |
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2024-02-28更新
|
1277次组卷
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5卷引用:浙江省金华市2023-2024学年高三上学期2月期末考试数学试题
浙江省金华市2023-2024学年高三上学期2月期末考试数学试题(已下线)第六套 九省联考全真模拟湖南省2024届高三数学新改革提高训练五(九省联考题型)(已下线)压轴小题2 平面几何中的双动点问题(4月)(已下线)压轴小题7 抛物线性质的综合问题
2 . 抛物线的光学性质是:位于抛物线焦点处的点光源发出的每一束光经抛物线反射后的反射线都与抛物线的对称轴平行或重合.已知抛物线:
的焦点为F,过x轴上F右侧一点的直线交
于A,B两点,C在A,B处的切线交于点P,直线
,
交y轴分别于点D,E,则( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 已知抛物线
的焦点为
,过点
作直线
与抛物线
交于
两点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa2c731aaa4005382d5b4324e29fbb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/8e3a1467ecf286e3cadaf5aa006606f2.png)
A.线段![]() ![]() |
B.当直线![]() ![]() ![]() ![]() |
C.以线段![]() ![]() |
D.存在点![]() ![]() |
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2024-01-17更新
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704次组卷
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4卷引用:重庆市七校2023-2024学年高二上学期期末联考数学试题
4 . 已知抛物线E:
的焦点为F,点F与点C关于原点对称,过点C的直线l与抛物线E交于A,B两点(点A和点C在点B的两侧),则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
A.若BF为![]() ![]() |
B.若BF为![]() ![]() |
C.存在直线l,使得![]() |
D.对于任意直线l,都有![]() |
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名校
解题方法
5 . 过抛物线
的焦点
作直线交抛物线于
,
两点,
为线段
的中点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.以线段![]() ![]() |
B.以线段![]() ![]() |
C.当![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2022-03-25更新
|
969次组卷
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5卷引用:重庆市主城区六校2021-2022学年高二上学期期末联考数学试题
6 . 已知抛物线
的焦点为
,直线
交抛物线于
,
两点,以线段
为直径的圆交
轴于
,
两点,交准线
于
点,则下面结论正确的是:( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c1dc3b2ca5b5e71f6f7acab671c8dc9.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.以![]() ![]() | B.![]() |
C.![]() | D.![]() ![]() |
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2024·全国·模拟预测
名校
解题方法
7 . 已知
为坐标原点,抛物线
的焦点为
,经过点
且斜率为
的直线
与抛物线
交于
两点(点
在第一象限),若
,则以下结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ed9b2d4c4fe575e806daf5000efb83.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知抛物线
的焦点为
,过点
的直线
交抛物线于
、
两点,以线段
为直径的圆交
轴于
、
两点,设线段
的中点为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() |
B.若![]() ![]() ![]() |
C.若抛物线上存在一点![]() ![]() ![]() ![]() |
D.若点![]() ![]() ![]() ![]() |
您最近一年使用:0次
2020-12-23更新
|
1254次组卷
|
6卷引用:江苏省南京市六校联合体2020-2021学年高三上学期12月联考数学试题
江苏省南京市六校联合体2020-2021学年高三上学期12月联考数学试题(已下线)专题13 《圆锥曲线与方程》中的存在性问题(2)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) 河北省石家庄市第二中学2022届高三下学期3月月考数学试题河北省廊坊市第一中学2023届高三上学期11月月考数学试题吉林省延边州2023届高三统考二模数学试题(已下线)专题09 平面解析几何
9 . 设
是抛物线
:
上的两点,
是坐标原点,下列结论成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae1567d8f98fabc1a3948f8602cc5e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.若直线![]() ![]() ![]() |
B.有且只有两条直线过点![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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2021-12-14更新
|
365次组卷
|
2卷引用:福建省南安市侨光中学、昌财实验中学2021-2022学年高二上学期第二次阶段考数学试题
10 . 过抛物线
:
(
)的焦点
且垂直于
轴的直线交
于
,
两点,过
上一点
(异于原点
)作
轴于点
,下列结论一定正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.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/a5d3a0273d1f3046dfad2086d0df56c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
A.![]() |
B.![]() ![]() ![]() |
C.![]() ![]() ![]() |
D.以![]() ![]() |
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