如图,在平行四边形
中,
,点
从
出发,沿射线
方向运动,过点
作
交折线
于点
,当点
与点
重合时,点
停止运动.运动过程中,设
,
.
与
的函数表达式以及对应的
的取值范围;
(2)在直角坐标系中画出
的图象,并写出函数
的一条性质;
(3)已知函数
的图象如图所示,当
时,请直接写出自变量
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924b90dd1e6344a9ef8136ff90954543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be742533a98206940a01156e5cd9ae30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0cc6293cfedec30b124ece908c4c438.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5ad6368dd902909c197eb60c52176e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7346f06c31ae1bb178cb06166fbaca3.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/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)在直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0773f08ae66579f50ad08a86f5087c27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b847cf7f97ae15ccdd187ecd4b4936b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
更新时间:2024-05-05 13:51:12
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相似题推荐
解答题-问答题
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【推荐1】如图,在平面直角坐标系xOy中,过点A(﹣6,0)的直线l1与直线l2:y=2x相交于点B(m,6)
(1)求直线l1的表达式
(2)直线l1与y轴交于点M,求△BOM的面积;
(3)过动点P(m,0)且垂于x轴的直线与l1,l2的交点分别为C,D,当点C位于点D下方时,写出n的取值范围.
(1)求直线l1的表达式
(2)直线l1与y轴交于点M,求△BOM的面积;
(3)过动点P(m,0)且垂于x轴的直线与l1,l2的交点分别为C,D,当点C位于点D下方时,写出n的取值范围.
![](https://img.xkw.com/dksih/QBM/2019/6/20/2229528715395072/2230459448352768/STEM/56747bedb2544aaf99186cbd566cf498.png?resizew=182)
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【推荐2】如图,直线
与 x 轴交于点 A,与 y 轴交于点 B,与直线 y2=x 交于点 E,点E 的横坐标为 3.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/12/e4aba496-15fb-4cd4-ab7c-b2ac9608a615.png?resizew=285)
(1)直接写出 b 值: ;
(2)结合图像,直接写出:当 x 取何值时,y1<y2?
(3)在 x 轴上有一点 P(m,0),过点 P 作 x 轴的垂线,与直线
交于点 C, 与直线 y2=x 交于点 D,若 CD=2OB,求 m 的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9c0f05c72efb86862facc7d257935f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/12/e4aba496-15fb-4cd4-ab7c-b2ac9608a615.png?resizew=285)
(1)直接写出 b 值: ;
(2)结合图像,直接写出:当 x 取何值时,y1<y2?
(3)在 x 轴上有一点 P(m,0),过点 P 作 x 轴的垂线,与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9c0f05c72efb86862facc7d257935f.png)
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【推荐3】某校数学兴趣小组根据学习函数的经验,对函数
的图象和性质进行了探究,探究过程如下:
自变量x的取值范围是全体实数,x与y的几组对应值如下表:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/26/7a2c6010-9c9a-4e0f-a505-bb2393126744.png?resizew=192)
(1)①表中a的值为 ,b的值为 ;
②以每组对应值作为一个点的坐标,在平面直角坐标系中描出表中的所有点,并按照自变量从小到大的顺序连线,画出该函数的图象,并观察图象,发现函数的最小值为 ;
(2)在函数
的图象所在坐标系中,作
的图象,交
的图象于点A,B(A在B的左侧),并观察图象,直接写出下列结果:
①方程组
的解为 ;
②不等式
的解集为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a09a0d7d7b2f020c413964170fbd3c.png)
自变量x的取值范围是全体实数,x与y的几组对应值如下表:
x | … | -4 | -3 | -2 | -1 | 0 | 1 | 2 | 3 | 4 | … |
y | … | 0 | a | -2 | -3 | -2 | -1 | 0 | b | 2 | … |
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/26/7a2c6010-9c9a-4e0f-a505-bb2393126744.png?resizew=192)
(1)①表中a的值为 ,b的值为 ;
②以每组对应值作为一个点的坐标,在平面直角坐标系中描出表中的所有点,并按照自变量从小到大的顺序连线,画出该函数的图象,并观察图象,发现函数的最小值为 ;
(2)在函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a09a0d7d7b2f020c413964170fbd3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebd1e91be8f6f55a6ff243e328afe8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a09a0d7d7b2f020c413964170fbd3c.png)
①方程组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337fed147fa373ca47aa88d387ad8f6b.png)
②不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f40264b1f621c3d69c0e165dbb361d5f.png)
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【推荐1】已知:在平面直角坐标系中,直线
与x轴,y轴分别交于A、B两点,直线
经过点A,与y轴交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/25/6391985b-3b51-49ca-9060-5f256d83796e.png?resizew=139)
(1)求直线
的解析式;
(2)点P为直线
上的一个动点.若
的面积等于10时,请求出点P的坐标;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92ae4b0e979685be006ec7d61fc4646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f0ec7f84f716a316ec92d133927666c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/25/6391985b-3b51-49ca-9060-5f256d83796e.png?resizew=139)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(2)点P为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
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【推荐2】如图
,已知等腰
在平面直角坐标系中,顶点
在
轴上,直角顶点
在
轴上,点
的坐标为
,直线
的解析式为
.
(
)求直线
的函数解析式.
(
)如图
,直线
交
轴于
,延长
至点
,使
,连结
,求证:
.
(
)如图
,直线
交
轴于
,已知点
的坐标为
,在直线
上是否存在一点
,使
的面积是
面积的
,若存在,请求出点
的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/2018/1/29/1870710383116288/1873849085296640/STEM/fbfe02c5b36d4a02b3731ae5adf77353.png?resizew=194)
![](https://img.xkw.com/dksih/QBM/2018/1/29/1870710383116288/1873849085296640/STEM/34c24e18e9e647e99f89c4d5761da8bf.png?resizew=187)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eddf629bfb2d7b9daea6f2c1553360af.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/138506a762e636aa75a4d54f5b739b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8e2fa0e4383590afe6d8f1d7aa8bdc.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c22eb62f36ff06a8cf5a17ba19a10c38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc13fe21e64d9b45614ed43be847904.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/53b62ea7de9572d6c8e7fcdf03af761f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a163fbf4333651741cec447995092a19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f955e5cc9f108de6f3ca01e5eb84c52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2018/1/29/1870710383116288/1873849085296640/STEM/fbfe02c5b36d4a02b3731ae5adf77353.png?resizew=194)
![](https://img.xkw.com/dksih/QBM/2018/1/29/1870710383116288/1873849085296640/STEM/34c24e18e9e647e99f89c4d5761da8bf.png?resizew=187)
![](https://img.xkw.com/dksih/QBM/2018/1/29/1870710383116288/1873849085296640/STEM/342a1660ebc34183bce7c7ab422c5b49.png?resizew=191)
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【推荐1】已知:□
的周长为
,对角线
、
相交于点
,
的周长比
的周长长
,求这个平行四边形各边的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9871f2a312aaf3a19b40e4fb1a7693b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/314c024e7e1467e8c1e0ccdb96007462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9938aea41f03701b233dee15809f2126.png)
![](https://img.xkw.com/dksih/QBM/2018/1/3/1852203261206528/1852482243141632/STEM/9325b6504cd6410488427a8ef241a76a.png?resizew=166)
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名校
【推荐2】已知抛物线
的图象与x轴相交于点
和点
,与y轴交于点C,连接
,有一动点D在线段
上运动,过点D作x轴的垂线,交抛物线于点E,交x轴于点F,设点D的横坐标为m.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/36e0e89a-7b16-4bb7-83a3-162ffd00752e.png?resizew=349)
(1)求抛物线的解析式;
(2)连接
,当△ACE的面积最大时,求出
的最大面积和点D的坐标;
(3)当
时,在平面内是否存在点Q,使以B,C,E,Q为顶点的四边形为平行四边形?若存在,请直接写出点Q的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d8de071a9c22c96a59b172d76c127e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a18a7caa080988802ba1145b4fe4203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55d12701014cf53071093e8739d089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/36e0e89a-7b16-4bb7-83a3-162ffd00752e.png?resizew=349)
(1)求抛物线的解析式;
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3719cea07e8f138a4d7818536712282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0db2c49919467a2e14540f2aabd05cb.png)
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