如图,已知直线
与双曲线
交于
,
两点.
(1)求直线
的解析式;
(2)将直线
向下平移4个单位后与双曲线交于
两点,与y轴交于
点,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c5dbbd1a7f9932567099ee67f2443f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7ba246e1a1a6d36e6d21e9dea5a4ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b632da4d5a49d70498aaf3b2f74318fc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/4/050dac94-cd58-4942-9f05-723aad965e27.png?resizew=164)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)将直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c29a7e8eea08197bf53164a560bee58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
更新时间:2023-06-01 10:09:59
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【推荐1】一辆货车和一辆轿车先后从甲地出发向乙地,如图,线段OA表示货车离甲地距离y(千米)与时间x(小时)之间的函数关系;折线B-C-D表示轿车离甲地距离y(千米)与x(小时)之间的函数关系.请根据图像解答下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/21/5f5e9ada-e117-4044-9203-e2c48ce93b76.png?resizew=248)
(1)货车行驶的速度是 千米/时,当轿车刚到乙地时,此时货车距乙地 千米.
(2)求线段CD对应的函数解析式;
(3)在两车行驶过程中,货车行驶多少时间,两车相距20千米?直接写出答案.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/21/5f5e9ada-e117-4044-9203-e2c48ce93b76.png?resizew=248)
(1)货车行驶的速度是 千米/时,当轿车刚到乙地时,此时货车距乙地 千米.
(2)求线段CD对应的函数解析式;
(3)在两车行驶过程中,货车行驶多少时间,两车相距20千米?直接写出答案.
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【推荐2】据某气象中心观察和预测:发生于M地的沙尘暴一直向正南方向移动,其移动速度v(km/h)与时间t(h)的函数图象如图所示.过线段
上一点
作横轴的垂线l,梯形OABC在直线l左侧部分的面积即为th内沙尘暴所经过的路程s(km).
![](https://img.xkw.com/dksih/QBM/2012/9/15/1573519975907328/1573520080756736/STEM/d6c322ec-aa76-4088-99c0-f3b99d76bcf4.png?resizew=168)
(1)当
时,求s的值;
(2)将s随t变化的规律用数学关系式表示出来;
(3)若N城位于M地正南方向,且距M地650km,试判断这场沙尘暴是否会侵袭到N城.如果会,在沙尘暴发生后多长时间它将侵袭到N城?如果不会,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439e95540157803d4ac3cf61a49f50a8.png)
![](https://img.xkw.com/dksih/QBM/2012/9/15/1573519975907328/1573520080756736/STEM/d6c322ec-aa76-4088-99c0-f3b99d76bcf4.png?resizew=168)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a15a13b4190ac3d5feaee27a4c97b21b.png)
(2)将s随t变化的规律用数学关系式表示出来;
(3)若N城位于M地正南方向,且距M地650km,试判断这场沙尘暴是否会侵袭到N城.如果会,在沙尘暴发生后多长时间它将侵袭到N城?如果不会,请说明理由.
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【推荐1】如图,在平面直角坐标系
中,一次函数
的图象
分别与
轴、
轴交于
、
两点,正比例函数的图象
与
交于点
.
(1)求
的值及
的解析式.
(2)一次函数
的图象为
,且
,
,
不能围成三角形,直接写出k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9de2ab436e867724089fd1db1910a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e77fd5594344b1901d9da81fe26ce2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/6/7151019a-e685-40a9-a654-467f497d2688.png?resizew=219)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(2)一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5cb4a97f0e520665a520a9749e4154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](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/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
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【推荐2】在平面直角坐标系xOy中,已知一次函数
的图像由函数
图像平移得到,且经过点
.
(1)求函数
的解析式;
(2)当
时,对于x的每一个值,函数
的值大于函数
的值,直接写出n的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d501afbd7542f2f724b658edf39af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86022205a7487439dd8d0897cd3bf19.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/16/5b5c1027-9673-4e9e-89a6-0ca06dcac0bf.png?resizew=275)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d501afbd7542f2f724b658edf39af4.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a7e4dcebd24c843379926de9c0b780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd5848d7371b15965ab8990329fe04bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d501afbd7542f2f724b658edf39af4.png)
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【推荐1】如图,过原点的直线
和
与反比例函数
的图象分别交于两点A,C和B,D,连结AB,BC,CD,DA.
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/c2a1731f427f4d329821b09e89594900.png)
(1)四边形ABCD一定是 形;(直接填写结果)
(2)四边形ABCD可能是矩形吗?若可能,试求此时k1和k2之间的关系式;若不可能,说明理由;
(3)设P(
,
),Q(
,
)(x2 >x1 >0)是函数
图象上的任意两点,
,
,试判断
,
的大小关系,并说明理由.
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/d95b21317fa54c03b71dcf8b74a255b3.png)
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/c534979b9427421897b6455c6a1eb9fd.png)
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/a047fcc4f3b8459983f2a2f83fcc3f52.png)
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/c2a1731f427f4d329821b09e89594900.png)
(1)四边形ABCD一定是 形;(直接填写结果)
(2)四边形ABCD可能是矩形吗?若可能,试求此时k1和k2之间的关系式;若不可能,说明理由;
(3)设P(
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/9efcef24843a48539a2f3f844a71cc7d.png)
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/04ff499e46374801893dba0119225a24.png)
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/525b82b2365e497aa4b00f8103a30a10.png)
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/be5307b8e8274efcada7f45a75510a29.png)
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/a047fcc4f3b8459983f2a2f83fcc3f52.png)
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/545f7cfb5b28444b84c9366831933ed8.png)
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/115b7e587c74430dba7f631e5274afd5.png)
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/b2a4cf9b66b449dcb67a963e553fc791.png)
![](https://img.xkw.com/dksih/QBM/2016/5/13/1574206479171584/1574206485323776/STEM/92e08a304e384594899d05fdcba302e1.png)
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【推荐2】如图,已知直线
与双曲线
相交于
、
两点.
的解析式;
(2)连结
并延长交双曲线于点C,连结
交x轴于点D,连结
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e114459637a3db306e91b5e9ee9aae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498bcfd1aac03057dcd0adef2dd113a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcd07282c464cde7de6b6ed522e233e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90c60b69e0c148d1e7ee1a13458e3b7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)连结
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
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【推荐1】如图,在平面直角坐标系
中,直线
与x轴、y轴分别交于点A,B,与双曲线
的交点为M,N.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/3ed6825b-6c9f-45a9-880f-c55116a32bbd.png?resizew=259)
(1)当点M的横坐标为1时,求b的值;
(2)若
,结合函数图象,直接写出b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07565f10847840e0fb07b05218ad17fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef854dfcbba9b7dedc1bc52f6332b011.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/3ed6825b-6c9f-45a9-880f-c55116a32bbd.png?resizew=259)
(1)当点M的横坐标为1时,求b的值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf45c46916ad4eb0b2e2c8921b94f8fd.png)
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【推荐2】如图,直线
与反比例函数
交于点
和点
,点
,
为等腰
两腰的中点,过点
,
,
做圆,连接
,取
的中点
,连接
.
和
的值;
(2)当
时,直接写出
的解集;
(3)求阴影部分的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07565f10847840e0fb07b05218ad17fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e80de90f4128e1b1501f155442b9aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d381cb085382972c8a0030177ccf653.png)
(3)求阴影部分的面积.
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