在平面直角坐标系
中,已知点
、
、
,点P在
三边围成的区域(含边界)上;
(1)若
,求
;
(2)设
,求动点
所构成的图形的面积;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c59f0e35b7ae5206e45878934482b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466e8c438084aef563c6aaeff3bca583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e6975f591732cb9758fe76a2e12557.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6740b373e829124a9f0728a644e829ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e87b143b8e89334dda69da4671fbf8e.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f37a89d510ffd55d7128784de1b41e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5209cf3b0c9a91e93f73aa93cab13d18.png)
16-17高二上·上海浦东新·阶段练习 查看更多[2]
(已下线)上海市华东师范大学第二附属中学2016-2017学年高二上学期第一次月考数学试题2(已下线)3.3.1二元-次不等式(组)与平面区域-2020-2021学年高二数学课时同步练(人教A版必修5)
更新时间:2020-01-30 13:43:24
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相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】
中,
是
边上靠近
的三等分点,
是
边上靠近
的三等分点,
,
,连接
,
,
.
(1)用
、
表示
和
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addb8e20db1fbb40f17dea52f951b907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06ce1eae8b67fe425311337a6706f27b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6583d21677276194608c5333ad153f35.png)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced60a5ddc01adbc795c22979fddc501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2196a273b5193b5cd4c072331a155b63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e245ef4143451b0b6a9b9184213aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea4f907dca1ebae7ae19b7089b0ad4b.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92daabae2aada36f619b9ae78aefe3e6.png)
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解答题-证明题
|
适中
(0.65)
【推荐2】如图,M是矩形ABCD的边CD上的一点,AC与BM交于点N,BN=
BM.
![](https://img.xkw.com/dksih/QBM/2018/8/24/2017368819597312/2040094192181248/STEM/c4178d878232490cb8f7913966b7da17.png?resizew=173)
(1)求证:M是CD的中点;
(2)若AB=2,BC=1,H是BM上异于点B的一动点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0e7bfbd56fe73dfe04c04da749d942.png)
![](https://img.xkw.com/dksih/QBM/2018/8/24/2017368819597312/2040094192181248/STEM/c4178d878232490cb8f7913966b7da17.png?resizew=173)
(1)求证:M是CD的中点;
(2)若AB=2,BC=1,H是BM上异于点B的一动点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f7837b6bb492ebf94d7cf3a70f57810.png)
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解答题-问答题
|
适中
(0.65)
【推荐1】已知
为平面上点
的坐标.
(1)设集合
,从集合
中随机取一个数作为
,从集合
中随机取一个数作为
,求点
在
轴上的概率;
(2)设
,求点
落在不等式组:
所表示的平面区域内的概率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e287b2028ffbebc7ae5013a42982c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1c5c601044368ff9b4c79927a963c4b.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/acc290b44635265137fdf13146b6a6d9.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/d053b14c8588eee2acbbe44fc37a6886.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/631b76afec7e3820305573891bc68d7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/542097cdc56917f7937930d0e5e4b3b0.png)
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适中
(0.65)
名校
解题方法
【推荐2】已知函数
.
(1)解不等式
;
(2)在直角坐标系xOy中,求不等式组
所确定的平面区域的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c47ff3aeceb2373a91bf51484c7740ea.png)
(1)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74dbd58b21a94cf93f4623c07452b102.png)
(2)在直角坐标系xOy中,求不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8931f949be93d315b37a72007ce185fb.png)
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解答题-问答题
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适中
(0.65)
【推荐3】已知关于
的二次函数
,
(1)设集合
和
分别从集合
和
中随机取出一个数作为
和
,求函数
在区间
上是增函数的概率;
(2)设
是区域![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090af4830687802b991123cbe195f084.png)
的随机点,求函数
在区间
上是增函数的概率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31197f6ce0a847560cd7bec7ec469115.png)
(1)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff1fea4179bf0dfb96c920bb057b002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686d9cc9d5f50046d7bdbd9d170dba65.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090af4830687802b991123cbe195f084.png)
![](https://img.xkw.com/dksih/QBM/2012/3/14/1570801113563136/1570801119068160/STEM/ba43206ffc504abe8fae2449ae3bbddb.png?resizew=12)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
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适中
(0.65)
名校
【推荐1】如图,在
中,
,
,
为
上一点,且
.
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b8fc167275fdc049c8777831522b7d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c44fdd1d10a0d3cdf70a12a685180b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da18267294924c440b4a5e1d08dd928.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5b5776371df4d28cbc7a791053e8f8.png)
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适中
(0.65)
名校
【推荐2】如图,在
中,
,
,
,
是线段
上一点,且
,
为线段
上一点.
![](https://img.xkw.com/dksih/QBM/2021/6/7/2744962984722432/2790146965274624/STEM/851b84e7-352b-4faf-a8c1-b94fe0e70349.png?resizew=196)
(1)设
,
,设
,求
;
(2)若
为线段
的中点,直线
与
相交于点
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269c684310d0f7b5b9bf0a291e7ee748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7991ebaf47f3d90d2abdd1d840a5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/2021/6/7/2744962984722432/2790146965274624/STEM/851b84e7-352b-4faf-a8c1-b94fe0e70349.png?resizew=196)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7a93a1399ff7a2bde342652479241b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae92f0c583cc9daf980a8621ad96aef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1247a19a75692706568f7e64ba380c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059d6df06a5b85848dc4fa33327f8e07.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390de59dee9554cdad55d9d39f7f77df.png)
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解答题-问答题
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适中
(0.65)
【推荐3】如图,在四边形ACBD中,AB与CD交于点M,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/14/893c90eb-d583-4e1a-9852-fc7056db6e44.png?resizew=167)
(1)若
,
,求
,
的值;
(2)若
,
,
,
,求
,
满足的等量关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18096ef43cdbf97b8ceef8591bc95473.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/14/893c90eb-d583-4e1a-9852-fc7056db6e44.png?resizew=167)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d74b1d0480790400a9223e4437afdba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d110bef2b98acae44b406746c4fb04d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b59ab6bf6111dda4a3d428454768b77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae15e5357601ddb7e303b56dbe337145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2bdcd23d2c26d9df0b4756d8a715673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ec435aa1401dbce7863b531bf2f3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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