在平面直角坐标系
中,对于任意图形
及直线
,给出如下定义:将图形
先沿直线
翻折得到图形
,再将图形
沿直线
翻折得到图形
,则称图形
是图形
的
伴随图形.
例如:点
的[x轴,y轴]伴随图形是点
.
(1)点
的[x轴,y轴]伴随图形点
的坐标为 ;
(2)若直线
的解析式为:
,则点
的[
轴,
]伴随图形点
的坐标为 ;
(3)已知
,
,
,直线
经过点
.
①当
,且直线
与
轴平行时,点A的[
轴,
]伴随图形点
的坐标为 ;
②当
,点
的[
轴,
]伴随图形点
的坐标为
,求直线
的解析式 ;
③当直线
经过原点时,
的[
轴,
]伴随图形上只存在两个与
轴的距离为1的点,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531322f8ec2d4d27f8cc421ee67e7d14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011ae6cb0cf49f6d3d19b485dc1cfc22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011ae6cb0cf49f6d3d19b485dc1cfc22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fda993d38532293724009685288b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fda993d38532293724009685288b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8031250b6291aebee065e46fe4db9700.png)
例如:点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0f46b1729ca4629a96df86ad76b1e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8953732afa4ffe84db02ca3a7b3b500.png)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e893b9b9e443ff357bd0d420a049bf07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a42da28be159399514cc6179a96e34b.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e893b9b9e443ff357bd0d420a049bf07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a42da28be159399514cc6179a96e34b.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04513792bb86e1fe4e305c870f27f4ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202a3125eb3a4b9239b2a217d0cf961d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5246f219efd906b34aa7b6dc876be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee74bec70d68998ec523fa5812760336.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d86b4ad722d7b720603eba9d330fd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d86b4ad722d7b720603eba9d330fd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6613b82990e81b6303f371aff97b6a32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
③当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
更新时间:2023-09-12 09:38:15
|
相似题推荐
解答题-计算题
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【推荐1】 计算:
(1)解方程组:
;
(2)解不等式组
,并把解集在数轴上表示出来.
(3)已知:(x+1)(x+2)-______=6x+2,请计算______内应填写的式子.
(1)解方程组:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31af8f4071e041d53ff6a819fcb72b2a.png)
(2)解不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6c3ef91bd158d25bdd0397f45afda8b.png)
(3)已知:(x+1)(x+2)-______=6x+2,请计算______内应填写的式子.
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【推荐2】如图,在平面直角坐标系中,已知,点
,
,
,a,b,c满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/10/56615302-1563-48c9-b99a-fcdf26b19e37.png?resizew=466)
(1)直接写出点A,B,C的坐标及
的面积;
(2)如图2,过点C作直线l//AB,已知
)是l上的一点且满足
,且
,求n的取值范围;
(3)如图3,
是线段AB上一点,
①求x,y之间的关系;
②若点M向左平移2x个单位得到点N,且
,求点M的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296c31eaede57efe89ffb83f02ad4622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5612d598e27ac2ce0ab89fb63538bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/541130d07517bebaee5f5577fe167023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed554f51e9179ffb1e4a01d402bb6bb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/10/56615302-1563-48c9-b99a-fcdf26b19e37.png?resizew=466)
(1)直接写出点A,B,C的坐标及
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)如图2,过点C作直线l//AB,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/518dfce0a9aab04171383586c5077146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2352fe8c206e814c0e842181ee41d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1caa19b04f21503f174f3f935c47639a.png)
(3)如图3,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d259822ab64b8626f3893b8432673358.png)
①求x,y之间的关系;
②若点M向左平移2x个单位得到点N,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4839c33ccbe030b1028bc4d677a31b09.png)
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解题方法
【推荐1】【定义】在平面直角坐标系
中,如果点A,C为某个菱形的一组对角的顶点,且点A,C在直线
上,那么称该菱形为点A,C的“阳光菱形”,如图是点A,C的“阳光菱形”的一个示意图.
【运用】已知点M的坐标为
,点P的坐标为
.
(1)下列各组点,能与点M,P形成“阳光菱形”的是______.(直接填写序号)
①
,
;②
,
;③
,
.
(2)如果四边形
是点M,P的“阳光菱形”,点N在
下方,且面积为16.
①求点N、点Q的坐标;
②如果直线
与折线
有唯一公共点,直接写出满足条件的k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/4/e9aeec8e-6cbf-461d-b3bf-50a2484aec92.png?resizew=568)
【运用】已知点M的坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888f3a41f0d5b6c81135223efc0ef6fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882064712c809d0178c304163a9c7572.png)
(1)下列各组点,能与点M,P形成“阳光菱形”的是______.(直接填写序号)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab1e16225eec0ba3a038949d3f820a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0810d08d7ef6de90817e6402504ddb73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5e9cbbfb84318b562bbe7bd1fd8226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cd41a98179f92c0ede8b0fe95cc46e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fd6ce7d76b559a18fc67d3c5785a54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a52d2e085a3482c6ace1313ccb247296.png)
(2)如果四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389bc3f29c058067e06e0d0d2be399da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.png)
①求点N、点Q的坐标;
②如果直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670efd7242928e016819d82fc210c467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba36f391294fc4638139b494a9023cf8.png)
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【推荐2】如图,四边形ABCD是边长为4的正方形,在正方形的一个角上剪去长方形CEFG,其中E,G分别是边CD,BC上的点,且CE=3,CG=2,剩余部分是六边形ABGFED,请你建立适当的直角坐标系求六边形ABGFED各顶点的坐标.
![](https://img.xkw.com/dksih/QBM/2018/3/24/1909121395154944/1915492612874240/STEM/a3aea4925d3d437e9416aa5941982e83.png?resizew=122)
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【推荐1】定义:在平面直角坐标系中,对于任意两点
,
,若点
满足
,
,那么称点T是点P,Q的“芙蓉点”.
例如:
,
,当点
满足:
,
,则点
是点P,Q的“芙蓉点”.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/21/03dcd760-f1c3-49e1-b8d5-501f8343c0aa.png?resizew=356)
(1)已知点
,
,点T是点P,Q的“芙蓉点”,则点T的坐标为______;
(2)如图,点P为
,点
是直线
上任意一点,点
是点P,Q的“芙蓉点”.
①试确定y与x的关系式;
②若①中的函数图像交y轴于点M,直线
交y轴于点N,当以M,N,Q,T为顶点的四边形是平行四边形时,求点Q的坐标;
③若直线PT与线段MN有交点,直接写出t的取值 范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee07c1f2f7b417036b79f165d4fe24c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4c05579e38b05dfb9322e2b74827ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c00ca6f2e0d18e7d14a2c33572d59f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb21a3bbb33b27e1b108767c61aac72.png)
例如:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e6843886712eced19331f834eb1df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77bc1149bad5c6c55894d0464ab48db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4c05579e38b05dfb9322e2b74827ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ad8bf18e5602dad89236ebe679a450b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8c6334006a2356427e8b473e437a4d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79889b6d1d25749f38f0d0c7a4e8101.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/21/03dcd760-f1c3-49e1-b8d5-501f8343c0aa.png?resizew=356)
(1)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b23819667096483f7ff627d65008a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac3a22f08c28060591ec3417038a005.png)
(2)如图,点P为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcbcd0aebdd8bd688d108834747009f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59d41af10b8cb5e7a5f86123d279a793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4c05579e38b05dfb9322e2b74827ad.png)
①试确定y与x的关系式;
②若①中的函数图像交y轴于点M,直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
③若直线PT与线段MN有交点,直接写出t的取值 范围.
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【推荐2】如图,在平面直角坐标系中,抛物线
与
轴交于
,
两点,与
轴交于点
,连接
,
.
(1)求此抛物线的解析式及对称轴;
(2)取点
,连接
,在第四象限内的抛物线上是否存在一点
,使得
?若存在,求出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16403fc9b29d6d8e814318ee24a9dc05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d03fa28c117649b0fdfe17eed7b583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/24/ae3ec8db-21d0-4ea0-9210-8268fdb70579.png?resizew=179)
(1)求此抛物线的解析式及对称轴;
(2)取点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b3126e09b4d8e177e618d0169dd98d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/506990383d87c7d03863da105ba83893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
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【推荐1】如图,在平面直角坐标系中,O为坐标原点,直线
分别交x轴、y轴于B、A两点,直线
分别交x轴、y轴于C、D两点,
.
(1)求k的值;
(2)如图1,点E为第一象限直线
上一点,过点E作
轴交直线
于点F,交x轴于点G,设点E的横坐标为t,线段
的长为d,求d关于t的函数解析式(不要求写出自变量t的取值范围);
,点H在线段
上,连接
,
,点M在线段
上,点N在y轴左侧,连接
、
,
,
,连接
,作射线
交
于点P,交
的延长线于Q,点K在
的延长线上,连接
、
、
,若以
、
、
的长为三边长的三角形面积等于
面积的一半,求K点坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a98e24892abc0eb34d5216d4e89c61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf6a9ed20ac6dfd41dd3721a4a4f361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497e34cb645ed931bea31c5d4c558c94.png)
(1)求k的值;
(2)如图1,点E为第一象限直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627026bcc48e88384717f3d2fea54582.png)
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解答题-问答题
|
较难
(0.4)
名校
【推荐2】如图,在平面直角坐标系中,等腰直角三角形
的顶点A在x轴上,
,
,且
、
,
交y轴于M,
(2)在x轴上有一动点P,当
的值最小时,求此时P的坐标.
(3)点N为x轴上一动点,若
,求点N的坐标;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d1e4a02f6a99a4b838dcaf9541d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d073c1fafc7fb931521c0f81af2eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)在x轴上有一动点P,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3ca0fa82822dc1fe68555e79b91372.png)
(3)点N为x轴上一动点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe886799641bdfe8b54f44c42a54619.png)
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