名校
1 . 实数
满足
,则
取值可能是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09e1f3452166a87264adc4b58e09ac27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33dace38ce40be8f2aa525dce4cefc16.png)
A.![]() | B.1 | C.![]() | D.3 |
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2023-09-30更新
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319次组卷
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2卷引用:福建省漳州市漳浦立人学校2022-2023学年高二上学期期中考试数学试题
名校
解题方法
2 . 如图,已知圆
,点
为直线
上一动点,过点
作圆
的切线,切点分别为
、
,且两条切线
、
与
轴分别交于
、
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/1f42f9b4-bfb3-4d6d-b02e-26dd34894e6c.png?resizew=214)
(1)当
在直线
上时,求
的值;
(2)当
运动时,直线
是否过定点?若是,求出该定点坐标;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de55df68bf1d942ebc9227ecfd72f150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/1f42f9b4-bfb3-4d6d-b02e-26dd34894e6c.png?resizew=214)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5a116a0cfec5d1979c5c8db09ffb2f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2022-12-03更新
|
1557次组卷
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6卷引用:福建省福州黎明中学2023-2024学年高二上学期11月期中考试数学试题
名校
解题方法
3 . 已知圆
,点P为x轴上一个动点,过点P作圆M的两条切线,切点分别为A,B,直线AB与MP交于点C,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acabf6da9d0b34244fa7e96e3cf3bea.png)
A.四边形PAMB周长的最小值为![]() | B.![]() |
C.直线AB过定点 | D.存在点N使![]() |
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2022-01-27更新
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8卷引用:福建省厦门第六中学2022-2023学年高二上学期期中质量检测数学试题
福建省厦门第六中学2022-2023学年高二上学期期中质量检测数学试题湖北省部分重点中学2021-2022学年高三上学期元月联考数学试题(已下线)2022年新高考模拟卷(二)-2022年高考数学【热点·重点·难点】专练(新高考专用)江苏省无锡市江阴高级中学2022届高三下学期期初考试数学试题(已下线)模拟冲刺过关试卷01-【查漏补缺】2022年高考数学三轮冲刺过关(新高考专用)河北省献县求是学校2022-2023学年高二上学期9月月考数学试题辽宁省沈阳市第二十中学2022-2023学年高二上学期10月月考数学试题辽宁省沈阳市第二十中学2022-2023学年高二上学期第一次阶段验收数学试题
名校
4 . 如图,已知圆
,抛物线
的顶点为
,准线的方程为
,
为抛物线
上的动点,过点
作圆
的两条切线与
轴交于
.
![](https://img.xkw.com/dksih/QBM/2018/6/10/1964447438053376/1967894573129728/STEM/1f23018f05244a448bd3354f8808b436.png?resizew=206)
(Ⅰ)求抛物线
的方程;
(Ⅱ)若
,求△
面积
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec6d24be9315cc475c3fc388a6d0737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1a9821a00b71f6b7d7a76d91b3f810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3511cdc6a9b56bc1d9415d3d94ef0f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://img.xkw.com/dksih/QBM/2018/6/10/1964447438053376/1967894573129728/STEM/1f23018f05244a448bd3354f8808b436.png?resizew=206)
(Ⅰ)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b85cff2e7da43d5f1f9a8bd6cde29022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf2f0df53aa68c9c334165034788166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次
2018-06-15更新
|
1739次组卷
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4卷引用:福建省厦门双十中学2018-2019学年高二下学期第二次月考数学(文)试题