如图1,在平面直角坐标系中,O为坐标原点,对于任意两点
,
,由勾股定理可得:
,我们把
叫做A、B两点之间的距离,记作
;因为
,所以
表示的几何意义是点
到点
的距离;同理可得,
又能表示成
,因此它的几何意义是点
分别到点
和点
的距离和.
根据以上阅读材料,解决下列问题:
(1)如图2,已知直线
与反比例函数
的图象交于
、
两点,则点A、B的坐标分别为A(______,______),B(______,______),
______.
(2)在(1)的条件下,设点
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42285c59287d2ded1aa6728bb16cee9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb1121d4ae42fb87bbb32f7abe00ba6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59804124f01e90960eede9671346f8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18622ca475415af11bf276e59ea03d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af18233e876461ed81568a92d1493784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d93b24dee2e45c97967316a0ac21ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04cdbeac9b900b989ec9fbc27fd89935.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb90d7481bff1520db7c7acd380b5c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d93b24dee2e45c97967316a0ac21ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3654254401fc902c3cb4912969f21f88.png)
根据以上阅读材料,解决下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/22/324673b6-ca42-4c19-8b71-0ebefd7eecf6.png?resizew=310)
(1)如图2,已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6ef43ad29077d67b4035748729a5c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f677dbb874b8286dde3f608ae85a9e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
(2)在(1)的条件下,设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d93b24dee2e45c97967316a0ac21ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3895ae0c42168e2bbbafde051dfa903b.png)
更新时间:2023-12-10 20:27:31
|
相似题推荐
解答题-计算题
|
适中
(0.65)
【推荐1】如图,在直角三角形
中,若斜边为
,两直角边分别为
,
,设
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/21/6f7918e6-87b4-4daa-926a-93eea685206b.png?resizew=132)
(1)试用所学知识说明:斜边
是最长的边;
(2)试用所学知识说明:
;
(3)试化简
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e781a2489271bfd1597cba1bb6f5887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df81cda12d7601d58b1d9c7c180c4d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bba94b961738bae53005d60c0d4be8a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/21/6f7918e6-87b4-4daa-926a-93eea685206b.png?resizew=132)
(1)试用所学知识说明:斜边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)试用所学知识说明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85fa1bfbad1a16e53e62600151913e6.png)
(3)试化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cce4bff3b6f39fd8f9aab3e1b02b30.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
名校
【推荐2】如图,在平面直角坐标系中,
的三个顶点的坐标分别为
,
,
.
(1)在图中作出
关于y轴的对称图形
.
(2)求
的面积.
(3)在x轴上画出点P,使
最小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6646e758862a34d89ee14de8a1ea13b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5593ca86a1f7ad0cbcc801c3cb77f285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e61dd6cbb403ec51f5af91bd0e351b6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/4/3c1ab07e-cec7-4e07-aa83-6d384daf64b4.png?resizew=258)
(1)在图中作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)在x轴上画出点P,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51a8d10345f567e0f2daf18529d42f0.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
名校
【推荐1】如图,平面直角坐标系中,
的顶点坐标分别为
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/8745fda3-e059-42e1-b406-6da8bd8e2389.png?resizew=261)
(1)将点A,B,C的横坐标乘
,纵坐标不变,依次得到点D,E,F.请在图中画出
;
(2)上面所画
与
的位置关系为______.
(3)若
与
关于x轴对称,请画出
,此时C,
两点之间的距离为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d454c14fd589fcfbe6aec2797df5894c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f855bbeb00d652786e768bc4fa64d74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e61dd6cbb403ec51f5af91bd0e351b6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/14/8745fda3-e059-42e1-b406-6da8bd8e2389.png?resizew=261)
(1)将点A,B,C的横坐标乘
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
(2)上面所画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf1c5eb81b252c151d4bb5be7fe3671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf1c5eb81b252c151d4bb5be7fe3671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e55590555905eb4f57889bbd16e39a.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
名校
【推荐2】如图,在平面直角坐标系
中,
,
,若
绕点O逆时针旋转90°后,得到
(
对应点是
,B对应点是
).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/b78bbf33-3972-4f11-9139-12b78c02074c.png?resizew=260)
(1)画出
,并直接写出
的坐标;
(2)求旋转过程中A点的运动路径长(结果保留
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f1f2b3e349a9be5fb156ae31525b9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e5eea5f7f98ca8632358b7e49ceb25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb99c20237aca8ff2ba640c28fbc5b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/b78bbf33-3972-4f11-9139-12b78c02074c.png?resizew=260)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb99c20237aca8ff2ba640c28fbc5b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
(2)求旋转过程中A点的运动路径长(结果保留
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】如图,一次函数
的图象与反比例函数
的图象相交于点
,点B,交y轴交于点C.
(1)求反比例函数的表达式;
(2)当
时,x的取值范围是:______;
(3)点D在一次函数
的图象上,且横坐标为4,过点D作y轴的平行线,交反比例函数的图象于点E,连接CE.求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74582758d327ad4bf6950a6a2b31ecf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060a9add520640c2339e120c2bce61a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be508b9952ae162a8abe2830b5c0bc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/f01a5c5c-0998-4e6a-9018-3700b6fafd17.png?resizew=202)
(1)求反比例函数的表达式;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
(3)点D在一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74582758d327ad4bf6950a6a2b31ecf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2689f0ce5ab3467d8214794d8acb2bd6.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,一次函数
(
、
为常数,
)的图象与反比例函数
的图象交于
、
两点,且与
轴交于点
,与
轴交于点
.
![](https://img.xkw.com/dksih/QBM/2022/11/30/3120619813888000/3121452406276096/STEM/1d1f18d58ffa435cb024c8d9405e124b.png?resizew=218)
(1)若
点的横坐标与
点的纵坐标都是1,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
①求一次函数的表达式;
②求
的面积;
③若
,则
的取值范围为___________.
(2)若点
,
都在第一象限,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02f266bd253738e315e84231235f0d2.png)
①求
的取值范围;
②若
,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed06ccefffc165f9c77250cd28301d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc4622a5f65ffbece28e09206b0cb8d.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/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/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/2022/11/30/3120619813888000/3121452406276096/STEM/1d1f18d58ffa435cb024c8d9405e124b.png?resizew=218)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
①求一次函数的表达式;
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6d630091e362f48d6dbc73811e07d41.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47b2021136ad0ed5c991839332bfa6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若点
![](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/b02f266bd253738e315e84231235f0d2.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9478a4fe3f349799646579b5f51960.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5022467fe45a93037597153db92116e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428afc957e87534bbc3d2e0769e540e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次