名校
解题方法
1 . 已知为抛物线
的顶点,直线
交抛物线于
两点,过点
分别向准线
作垂线,垂足分别为
,则下列说法正确的是( )
A.若直线![]() ![]() ![]() ![]() |
B.若直线![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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2卷引用:2023新东方高二上期末考数学01
2 . 已知斜率为
的直线交抛物线
于
、
两点,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2e3dcb7f9fa27f3d07d18a61d4bb36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c971815096aafba83743ab5e4c89d78.png)
A.![]() | B.线段![]() |
C.![]() | D.![]() ![]() |
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2卷引用:浙江省宁波市鄞州中学2023-2024学年高二上学期12月月考数学试题
3 . 已知抛物线
的焦点为
,准线
与
轴交于点
,过
的直线
与抛物线
相交于
两点,点
是点
关于
轴的对称点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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|
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4卷引用:浙江省金华市卓越联盟2023-2024学年高二上学期12月阶段联考数学试卷
4 . 已知抛物线
上存在一点
到其焦点的距离为3,点
为直线
上一点,过点
作抛物线
的两条切线,切点分别为
为坐标原点.则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83544c91ff4d5d0689f4014ee459005c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef644115c956ed62c3da8310c6f67ecd.png)
A.抛物线的方程为![]() | B.直线![]() |
C.线段![]() ![]() | D.![]() |
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|
1167次组卷
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6卷引用:浙江省金华第一中学2023-2024学年高二上学期11月期中数学试题
5 . 已知抛物线的准线与x轴交于点D,O为坐标原点,点A,B是抛物线C上异于点O的两个动点,线段AB与x轴交于点T,则( )
A.若T为抛物线C的焦点,则线段AB的长度的最小值为4 |
B.若T为抛物线C的焦点,则![]() |
C.若△AOT与△BOT的面积之积为定值,则T为抛物线C的焦点 |
D.若直线DA和直线DB都与抛物线C相切,则T为抛物线C的焦点 |
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|
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|
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6 . 已知抛物线
,点
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74bc64a84fffca0bbc246bea0970d8e.png)
,过点
的直线与抛物线
交于
,
两点,AP,AQ分别交抛物线
于
,N两点,
为坐标原点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311497849126f1aaf1da0ec75602eabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e74bc64a84fffca0bbc246bea0970d8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d60e12f831245f52296bea1126ba53.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.焦点坐标为![]() | B.向量![]() ![]() |
C.直线MN的斜率为![]() | D.若直线PQ过焦点![]() ![]() |
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7 . 已知抛物线
的焦点为
,准线交
轴于点
,过点
作倾斜角为
(
为锐角)的直线交抛物线于
两点(其中点A在第一象限).如图,把平面
沿
轴折起,使平面
平面
,则以下选项正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/159a2d4945049c5a8f525f18763eba91.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa3254460ecbacecb3e57c5dce227f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d62d30d732c3c6ee3f0dd66d7059356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ae8768996ca9a0f2c5d9a19abbd54df.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/19/7bb41d16-8518-4b8f-88a5-7c3e6d1cee67.png?resizew=362)
A.折叠前![]() ![]() |
B.折叠前![]() ![]() |
C.折叠后三棱锥![]() ![]() |
D.折叠后异面直线![]() ![]() |
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|
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6卷引用:浙江省乐清市知临中学2023届高三下学期5月第二次仿真考数学试题
浙江省乐清市知临中学2023届高三下学期5月第二次仿真考数学试题浙江省金华十校2023-2024学年高三上学期11月模拟考试预演数学试题2023年山西省运城市景胜中学业水平考试数学试题专题08B圆的方程与圆锥曲线重庆市第一中学校2023-2024学年高二上学期11月月考数学试题(已下线)第三章 折叠、旋转与展开 专题一 平面图形的翻折、旋转 微点7 圆锥曲线中的翻折问题(二)
8 . 已知抛物线
:
,点
,
均在抛物线
上,点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8953ded144195804384dcb494d5e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e298293515d3c5d8343b668fe8541d.png)
A.直线![]() ![]() |
B.线段![]() ![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
9 . 如图,已知
是抛物线
的焦点,过点
和点
分别作两条斜率互为相反数的直线
,交抛物线于
四点,且线段
相交于点
,则下列选项中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/15/a90c4510-de6d-44c4-836c-67c6c9fb292d.png?resizew=149)
![](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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea5b6926cdb99eb58070b8720718f71a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/15/a90c4510-de6d-44c4-836c-67c6c9fb292d.png?resizew=149)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
10 . 已知
为坐标原点,
为抛物线
上一点,直线
与
交于
,
两点,过
,
作
的切线交于点
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba91671bbed8491d9116eac21dc65618.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.若点![]() ![]() ![]() ![]() ![]() |
C.点![]() ![]() | D.设![]() ![]() ![]() |
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|
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