如图,平面直角坐标系式
中,
交x轴于A,交y轴于B.另一直线
交x轴于C,交y轴于D,交
于E.已知
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/5faacc43-9b4d-4277-8dd4-d437f2075e87.png?resizew=585)
(1)求
的表达式.
(2)若一条平行于y轴的直线从点O开始向右移动,速度为每秒1个单位长度,直线分别交
和
于点M,N.运动时间为多少秒时,使得
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f488d642bbd367f811d9801ad40fa866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/309ce37cb8414a7b6be4e24ad3a317ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b576e86bcce9cc09a5fee441ff5a6e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/5faacc43-9b4d-4277-8dd4-d437f2075e87.png?resizew=585)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(2)若一条平行于y轴的直线从点O开始向右移动,速度为每秒1个单位长度,直线分别交
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de95393c5310a5ee975821eee7440686.png)
更新时间:2022-12-22 22:01:20
|
相似题推荐
解答题-作图题
|
适中
(0.65)
【推荐1】在平面直角坐标系中,已知
两点的坐标分别
.
![](https://img.xkw.com/dksih/QBM/2020/12/28/2630919123345408/2632896750903296/STEM/d5b828e5f24946ba87693a01182c561c.png?resizew=251)
(1)在平面直角坐标系中,描出点
;
(2)若函数
的图象经过点
,求
的值;
(3)若一次函数
的图象由(2)中函数
的图象经过平移,且经过点
得到,求这个一次函数的表达式,并在直角坐标系中画出该函数对应的图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521994c8540e1c31e1fd2b9d8d5ca1b6.png)
![](https://img.xkw.com/dksih/QBM/2020/12/28/2630919123345408/2632896750903296/STEM/d5b828e5f24946ba87693a01182c561c.png?resizew=251)
(1)在平面直角坐标系中,描出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cca39b30b0b8e769293e13546b91f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cca39b30b0b8e769293e13546b91f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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解答题-问答题
|
适中
(0.65)
【推荐2】如图,已知点
、点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/1413d98f-8014-4237-87b4-7b7c66a21740.png?resizew=207)
(1)求直线
所对应的函数表达式;
(2)若点
为
轴上一动点,当
的面积为
时,试求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71617ebd78bd93602f6e4d514b6717c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82019b5a629616e66b6e7b78c059f1bb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/1413d98f-8014-4237-87b4-7b7c66a21740.png?resizew=207)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若点
![](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/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解答题-作图题
|
适中
(0.65)
【推荐1】6分)已知一次函数
,完成下列问题:
(1)画出函数图象.(2)直接写出图象与x轴、y轴的交点A、B的坐标.
(3)观察图象,写出x在什么范围内取值时,y>0.
![](https://img.xkw.com/dksih/QBM/2015/3/23/1573820633374720/1573820639354880/STEM/03f36b3544f54fb794f8bbc10ece973f.png)
(3)观察图象,写出x在什么范围内取值时,y>0.
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解答题-证明题
|
适中
(0.65)
【推荐2】在平面直角坐标系
中,对于非零的实数
,将点
变换为
称为一次“
-变换”.例如,对点
作一次“3-变换”,得到点
.已知直线
与
轴交于点
,与
轴交于点
.若对直线
上的各点分别作同样的“
-变换”,点
,
变换后的对应点分别为
,
.
(1)当
时,点
的坐标为 ;
(2)若点
的坐标为
,则
的值为 ;
(3)以下三个结论:①线段
与线段
始终相等;②
与
始终相等;③
与
的面积始终相等.其中正确的是 (填写序号即可),并对正确的结论加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a5ed8cf90586e713945a1f40fbe9e80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c7f6a03826a5ad351c1f7ca553a6945.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01abcb25a2dad968894328155950b171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de869ae6b6dc5b79fcae3de540b30bf.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.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/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f2be8f1e796226f1b0fa95f6aea35d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)以下三个结论:①线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a457b899731577bfe61dda594ae4eec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/970b78915a48a71e09d14464ff347e5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a21e44af368f3336354704d92609f9b.png)
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解答题-证明题
|
适中
(0.65)
【推荐1】如图,在
中
,
、
是
的角平分线,且
、
相交于点O.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/21/0143e29e-d061-446b-944f-210d012c96bc.png?resizew=169)
(1)求
的度数;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/21/0143e29e-d061-446b-944f-210d012c96bc.png?resizew=169)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080158cc5c4dcea19f3c0939ac0c3db3.png)
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解答题-问答题
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适中
(0.65)
名校
【推荐2】如图,在
中,
,
,垂足分别为点
,点
,连接
、
.
与
的关系,并说明理由;
(2)若
,
的面积是
,则
的面积为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c51c25b65a37b676ae3c3b71c29f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac18b0388014ae20b2add2975ef56aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eaffcd2070bfcb1955e2cab66c26c06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c258d2be23084686379c3c279f54ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
您最近一年使用:0次