如图,一次函数
与反比例函数
交于点
,
,与
轴,
轴分别交于点
,
.
(1)求反比例函数的表达式;
(2)作
轴于点
,连接
,求
的面积;
(3)根据图象请直接写出当
时,
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac3396e15a4823f6d6d9d64db20596c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d105b74c40724a7da626e7c42afbf5fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1de2c0218509a1f3ededd231f68894b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6116e8a55a3f0f30388a5690833c292.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求反比例函数的表达式;
(2)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd6ac1314d0471caed35f9688d20b03.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/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
(3)根据图象请直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2022/1/14/2894275640811520/2895919443451904/STEM/32d96b1c-ce87-465b-9aea-8b3935d5a40a.png?resizew=242)
更新时间:2022-01-16 21:46:06
|
相似题推荐
解答题-计算题
|
适中
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名校
【推荐1】如图所示,一次函数
的图象与反比例函数
的图象相交于A、B两点,其中点A的横坐标是
.
(2)直接写出不等式
的解集 ;
(3)按照既得数据,计算
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026808536f6b6d265c778e23836fbf13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
(2)直接写出不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f55853a6667bdc36688c1eeae614ff6.png)
(3)按照既得数据,计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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【推荐2】一次函数
与
轴交于
点,与
轴交于
点,点
在直线
上,过点
做反比例函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/1/83703622-47f6-4208-9f2e-9c1e054ade5f.png?resizew=339)
(1)求出
,
的值;
(2)
为线段
上的点,将点
向右平移4个单位,再向上平移2个单位得到点
,点
恰巧在反比例函数
上,求出点
坐标;
(3)在
轴上是否存在点
,使得
,若存在请直接写出点
坐标,若不存在请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373e940578737a54a51be72e53a31c36.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f365375844e424134cd16eaa679f3332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/1/83703622-47f6-4208-9f2e-9c1e054ade5f.png?resizew=339)
(1)求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)在
![](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/a5a43eaaf38e798ced9f7d8b1ebd1bfe.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,已知
,
,
三点,其中a,b,c满足关系式
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/3f7ed7b8-c40c-45b8-99d7-f6c551fc0d4a.png?resizew=190)
(1)分别求出点A,B,C的坐标;
(2)若在第一象限内有一点
.
①请用含有m的式子表示出四边形
的面积S;
②是否存在点M,使四边形
的面积与
的面积相等?若存在,求出点M的坐标;若不存在,请说明理由.
![](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/ff310f758e0eeae840fff03de24d1527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663f72c96a827432a6daf7933a6c8316.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/3f7ed7b8-c40c-45b8-99d7-f6c551fc0d4a.png?resizew=190)
(1)分别求出点A,B,C的坐标;
(2)若在第一象限内有一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8ed6d55fd6954b5a6f085505f2cf26.png)
①请用含有m的式子表示出四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9ed368ef5b60bb3952bd64ced7916c.png)
②是否存在点M,使四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9ed368ef5b60bb3952bd64ced7916c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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【推荐2】图1,图2是两张形状和大小完全相同的方格纸,方格纸中每个小正方形的边长均为1,线段AB的两个端点均在小正方形的顶点上.
![](https://img.xkw.com/dksih/QBM/2018/1/1/1850773000609792/1855446693011456/STEM/4da22a248b8f4c068a26f76cc9fc36e5.png?resizew=293)
(1)如图1,在小正方形的顶点上确定一点C,连接AC、BC,使得△ABC为直角三角形,其面积为5,并直接写出△ABC的周长;
(2)如图2,在小正方形的顶点上确定一点D,连接AD、BD,使得△ABD中有一个内角为45°,且面积为3.
![](https://img.xkw.com/dksih/QBM/2018/1/1/1850773000609792/1855446693011456/STEM/4da22a248b8f4c068a26f76cc9fc36e5.png?resizew=293)
(1)如图1,在小正方形的顶点上确定一点C,连接AC、BC,使得△ABC为直角三角形,其面积为5,并直接写出△ABC的周长;
(2)如图2,在小正方形的顶点上确定一点D,连接AD、BD,使得△ABD中有一个内角为45°,且面积为3.
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【推荐1】在矩形ABCD中,AB=6cm,BC=12cm,点P从点A出发,沿AB边向点B以每秒1cm的速度移动,同时,点Q从点B出发沿BC边向点C以每秒2cm的速度移动.如果P、Q两点在分别到达B、C两点后就停止移动,回答下列问题:
(1)运动开始后第几秒时,△PBQ的面积等于8cm2?
(2)当运动开始后
秒时,试判断△DPQ的形状;
(3)在运动过程中,是否存在这样的时刻,使以Q为圆心,PQ为半径的圆正好经过点D?若存在,求出运动时间;若不存在,请说明理由.
(1)运动开始后第几秒时,△PBQ的面积等于8cm2?
(2)当运动开始后
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
(3)在运动过程中,是否存在这样的时刻,使以Q为圆心,PQ为半径的圆正好经过点D?若存在,求出运动时间;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/2017/8/18/1754546793791488/1757525391572992/STEM/4c87f6124eae4355b194eaa95bd930b1.png?resizew=370)
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【推荐2】如图,在矩形
中,
,
,点
从点
出发向点
运动,运动到点
停止,同时,点
从点
出发向点
运动,运动到点
即停止,点
、
的速度都是
连接
、
、
设点
、
运动的时间为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/213f4af095aa1f6762b71e5887df527c.png)
为何值时,四边形
是菱形;
(2)求出(
)中菱形
的周长和面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cee49e97546d466ba3ee630e08cdc3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9d0d90bf492735a174a88df5704f92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf59fcc41e7b180b1c021b9c7335c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c110872d6e929a20e3c3515554ec7430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/213f4af095aa1f6762b71e5887df527c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9af2350fad62b04e28e710045b513c.png)
(2)求出(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9af2350fad62b04e28e710045b513c.png)
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【推荐1】如图在平面直角坐标系
中,直线
:
与反比例函数
的图象交于
、
两点与
轴相交于点
,已知点
,
的坐标分别为
和
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/19/608e4cb1-a2c8-4184-9078-2f7563ecc206.png?resizew=161)
(1)
________,
________,
________;
(2)直接写出不等式
的解集;
(3)点
为反比例函数
图象上任意一点,若
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026808536f6b6d265c778e23836fbf13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/e6963d5406e3466b53d23c5197e9d109.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b50a900e18fec66f83b28c85d15cab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/19/608e4cb1-a2c8-4184-9078-2f7563ecc206.png?resizew=161)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
(2)直接写出不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d7b6e6d03936a496399c2f646f94b5.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441a30dc174e3eb83fbbbb5c14b86c9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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【推荐2】在同一直角坐标系中,若正比例函数
的图象与反比例函数
的图象没有交点,试确定
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/766bc42b7ead98238a339bb4dc42bb51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb79a1b0c6dc78e6de17de6bed477fb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4757181824e15e0f21e5bdd55448783.png)
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