名校
解题方法
1 . 已知抛物线
的焦点为
,点
,若点
为抛物线上任意一点,当
取最小值时,点
的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1282cc43ebf4b459832fec04d805989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2f98670913d4105454f49caba53a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 已知 Q 为抛物线 C:
上的动点,动点 M 满足到点A(2,0)的距离与到点F(F是C的焦点)的距离之比为
则|QM|+|QF|的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e7e95602850ba43ecff8c2e0cc2494.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd49c7b10ed90ee6f1497e87d067b530.png)
A.![]() | B.![]() | C.![]() | D.4 |
您最近一年使用:0次
2023-11-18更新
|
1789次组卷
|
5卷引用:重庆市巴蜀中学2024届高考适应性月考卷(四)(期中)数学试题
重庆市巴蜀中学2024届高考适应性月考卷(四)(期中)数学试题广东省珠海市第二中学2023-2024学年高二上学期第二次阶段考试数学试题(已下线)3.3.1 抛物线及其标准方程(AB分层训练)-【冲刺满分】2023-2024学年高二数学重难点突破+分层训练同步精讲练(人教A版2019选择性必修第一册)(已下线)专题10 与圆有关的轨迹问题(期末选择题10)-2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)(已下线)通关练17 抛物线8考点精练(1)
名校
解题方法
3 . 已知抛物线
的焦点为
,定点
,点
是抛物线上一个动点,则
的最小值为_____________ .
![](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/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44331dd46961efa418e3261d4014b2f7.png)
您最近一年使用:0次
2024-01-09更新
|
887次组卷
|
5卷引用:江苏省宿迁市青华中学2023-2024学年高二上学期期中考试普通班数学试卷
解题方法
4 . 已知抛物线
:
的准线为
,
,点
是
上任意一点,过
作
,垂足为
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62b1ade07205ae2693ec1ab135def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f94c4f6b762fddb0e313050ef6932eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa145a3e4f18f784ddf4869e0bf904c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d079d5337a3f87c6e559a1a9f8cf1e35.png)
您最近一年使用:0次
名校
解题方法
5 . 已知抛物线C:
上一点
,点
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e57b046c4061b2792c62ff9f333719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc1a1a0ac4675054f5428d6ea0dc584.png)
A.10 | B.8 | C.5 | D.4 |
您最近一年使用:0次
6 . 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.![]() |
您最近一年使用:0次
2023-12-21更新
|
330次组卷
|
4卷引用:黑龙江省大庆市实验中学实验二部2023-2024学年高二下学期期中考试数学试卷
名校
7 . 设抛物线
,
为其焦点,
为抛物线上一点,则下列结论正确的是( )
![](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/dad2a36927223bd70f426ba06aea4b45.png)
A.抛物线的准线方程是![]() | B.当![]() ![]() |
C.若![]() ![]() | D.以线段![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知点
是抛物线
的焦点,点
,且点
为抛物线
上任意一点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcd728f234485ea270308771a78ef51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b337c32bd5408c0ed8a9ee9cde4cad.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/2e791dbae6abeea3ff6613db8d21f8ae.png)
A.7 | B.6 | C.5 | D.4 |
您最近一年使用:0次
2023-12-07更新
|
1030次组卷
|
3卷引用:上海市进才中学2023-2024学年高二下学期期中考试数学试题
名校
解题方法
9 . 已知抛物线
:
的焦点为
,
,
为
上一点,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c09b41032e4722c412c2e2427500a0.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/508734095955bb96d52f37be4e681700.png)
您最近一年使用:0次
2023-12-03更新
|
2117次组卷
|
7卷引用:山西省朔州市怀仁市第一中学校2023-2024学年高二上学期期中考试数学试题
名校
解题方法
10 . 设动点
在抛物线
上,点
在
轴上的射影为点
,点
的坐标是
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48f28aeccf369df5980ac787e9e313f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2bf9745b2e4505e5304ebda38f71906.png)
A.![]() | B.![]() | C.2 | D.![]() |
您最近一年使用:0次