在平面直角坐标系中,已知点
,
,
,且
,
,
满足关系式
,点
在第一象限.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/8/a7b0cbd1-5ca0-4559-8973-10b13d7342b0.png?resizew=446)
(1)求
,
,
的值;
(2)如图1,当
时,
的面积等于10,求
的值;
(3)如图2,连接
,当
的面积等于
的面积时,求满足上述条件的整点
(
,
都是整数)的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c240561788bc63f41a6703219fb66d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c09615735d331befd07664aa47cb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6396a31ef91a7431d22dc3ce035ee9f7.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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a921c8fa3e76d76b83434ef0f5317e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82aaa597a5aa6176863eda3fdf83e181.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/8/a7b0cbd1-5ca0-4559-8973-10b13d7342b0.png?resizew=446)
(1)求
![](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/071a7e733d466949ac935b4b8ee8d183.png)
(2)如图1,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45cf86650443d1b86c79b1e3edc7e5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)如图2,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
21-22七年级下·浙江台州·期末 查看更多[3]
浙江省台州市黄岩区2021-2022学年七年级下学期期末数学试题(已下线)专题4.11 平面直角坐标系-几何综合问题(专项练习)-2022-2023学年八年级数学上册基础知识专项讲练(浙教版)(已下线)专题7.12 平面直角坐标系(面积问题)(专项练习)-2022-2023学年七年级数学下册基础知识专项讲练(人教版)
更新时间:2022-10-05 18:45:50
|
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解答题-问答题
|
适中
(0.65)
名校
【推荐1】如图,数轴上有
两点,分别对应的数为
,已知
与
互为相反数,点
为数轴上一动点,对应为
,
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/6/42e53158-74af-48c1-b77b-14237a687150.png?resizew=278)
(1)
______;
______
(2)若点
到点
和点
的距离相等,则点
对应的数是______
(3)数轴上是否存在点
,使点
到点
和点
的距离之和为5?若存在,请求出
的值;若不存在,说明理由.
(4)当点
以每分钟1个单位长度的速度从点
向左运动,点
以每分钟5个单位长度向左运动,问几分钟时点
到点
,点
的距离相等.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5fe49117f15cb17ea2ba7578bcb480c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6fe37f0dc175712c356f96c663a7461.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/6/42e53158-74af-48c1-b77b-14237a687150.png?resizew=278)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/dad2a36927223bd70f426ba06aea4b45.png)
(3)数轴上是否存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/81dea63b8ce3e51adf66cf7b9982a248.png)
(4)当点
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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【推荐1】如图
,在直角坐标系中,点A、
分别在
轴、
轴上,已知
,其中
满足
.
![](https://img.xkw.com/dksih/QBM/2021/5/19/2724450319106048/2781581479460864/STEM/92519937-5654-4c61-93a0-1f0d9bfb89f0.png)
![](https://img.xkw.com/dksih/QBM/2021/5/19/2724450319106048/2781581479460864/STEM/009f2104-47a6-4ed4-a365-8c190ea3d5b1.png)
![](https://img.xkw.com/dksih/QBM/2021/5/19/2724450319106048/2781581479460864/STEM/8c3545b6-5ef8-4d7d-9947-0bb250311be7.png)
(
)求出点A、
、
的坐标;
(
)如图
,动点
从原点
出发沿
轴以每秒
个单位的速度向右运动,求
运动多少秒时,MC∥AB?
(
)在(
)的条件下,连接
,以
为边作∠
=∠
,边
交
轴于点
(如图
),连接
,交
轴于点
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5c77be71261b2de9a2eefb0fb7b0a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09c8947d0d6fba77130d08d1a9a8e29.png)
![](https://img.xkw.com/dksih/QBM/2021/5/19/2724450319106048/2781581479460864/STEM/92519937-5654-4c61-93a0-1f0d9bfb89f0.png)
![](https://img.xkw.com/dksih/QBM/2021/5/19/2724450319106048/2781581479460864/STEM/009f2104-47a6-4ed4-a365-8c190ea3d5b1.png)
![](https://img.xkw.com/dksih/QBM/2021/5/19/2724450319106048/2781581479460864/STEM/8c3545b6-5ef8-4d7d-9947-0bb250311be7.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.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/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e17dc84ba2e871aeb3a3fd2a2b5f1a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22f09ad92aebeecdd305beef7fd832a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.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/8455657dde27aabe6adb7b188e031c11.png)
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【推荐1】如图,在平面直角坐标系中,四边形ABCD各顶点的坐标分别为A(0,1)、B(5,1)、C(7,3)、D(2,5).
(1)填空:四边形ABCD内(边界点除外)一共有 个整点(即横坐标和纵坐标都是整数的点);
(2)求四边形ABCD的面积.
(1)填空:四边形ABCD内(边界点除外)一共有 个整点(即横坐标和纵坐标都是整数的点);
(2)求四边形ABCD的面积.
![](https://img.xkw.com/dksih/QBM/2017/4/25/1673250677956608/1679746711478272/STEM/49e8bba5bcb0432da496c4bbac085933.png?resizew=238)
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解答题-作图题
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【推荐2】如图,
三个顶点的坐标分别为A(2,4),B(1,1),C(4,3).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/28/2d3dc845-4116-4ce5-839a-1cdd43db71d9.png?resizew=269)
(1)请画出△ABC关于x轴对称的
,并写出点
的坐标;
(2)请画出△ABC绕点B逆时针旋转
后的
;
(3)求△ABC的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/28/2d3dc845-4116-4ce5-839a-1cdd43db71d9.png?resizew=269)
(1)请画出△ABC关于x轴对称的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
(2)请画出△ABC绕点B逆时针旋转
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a90b11e46f2a26fcc8ae7b6ade1dbe4.png)
(3)求△ABC的面积.
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【推荐1】对于平面直角坐标系
中两个不重合的点M,N,给出如下定义:若点M到两坐标轴的距离中的最大值与点N到两坐标轴的距离中的最大值相等,则称M,N两点为“远等点”.例如:点
与点
即为“远等点”.
(1)已知点A坐标为
.
①在点
,
,
中,为点A的“远等点”的是______;
②若点B坐标为
,A,B两点为“远等点”,则点B的坐标为______;
(2)已知点C坐标为
,点D坐标为
,其中
,若C,D两点为“远等点”,求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6114ce586d4468f1b83c85bf029ba625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42055175dfbc11c1d7a993a1de94386.png)
(1)已知点A坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d03268e486f9fb09a44eca7d8ff7a9b.png)
①在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf2b1410f44205658cea90e9ce85101c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c56cfe2f60a34e3198cb17d6d84af32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316398efc9de382edae131d0d58bbc28.png)
②若点B坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03571afcc1d3b06d24c9721b667497d0.png)
(2)已知点C坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e6aefcd3b618e7820d368cd6eca774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3911722121add331d7cd40eacee167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
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【推荐2】在平面直角坐标系
中,对于不同的两点M,N,若点M到x轴,y轴的距离的较大值等于点N到x轴,y轴的距离的较大值,则称点M,N互为“方格点”.例如:点
,
互为“方格点”;点
,
互为“方格点”.
已知点
.
(1)在点
,
,
中,是点P的“方格点”的是 ;
(2)若点
与点P互为“方格点”,求m的值;
(3)若点
与点P互为“方格点”,求n的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97fe88412da03cc114f2250593293217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20660e49954f09601cbf528a7f436fca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d483dd3a65702ed0cd7df766300d03b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd243fab0af865af67a2ab817e909cf5.png)
已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d4d423f114ff7bd96b1db429d92fb3.png)
(1)在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc31a44ecd87332c07f92c53aad96509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df074098c7e37c47709ab3bb777b1152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ceac54674e2666961956bd549a35db6.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b27e25db195f4456992ee0abc5c110.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2acd0a4f9abadd708d49aab51eef9a6.png)
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