如图,已知反比例函数
的图象经过点
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/20/cf9fb368-adb8-4125-afb7-4bf8c421d55b.png?resizew=142)
(1)求反比例函数的解析式.
(2)请用无刻度的直尺和圆规作出线段
的垂直平分线
要求:不写作法,保留作图痕迹![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8c94316312f093ebfc80b872a83c25.png)
(3)设反比例函数图象与(2)中所作垂直平分线交于点
,请直接写出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222610ace019d208524755a240bf7113.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ede190f26ef14ce0d474c24a16fb08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85beab9f416ddc82fb2cad7e711d7470.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/20/cf9fb368-adb8-4125-afb7-4bf8c421d55b.png?resizew=142)
(1)求反比例函数的解析式.
(2)请用无刻度的直尺和圆规作出线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c5c4cf8cf623d6af362830d5f5f732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8c94316312f093ebfc80b872a83c25.png)
(3)设反比例函数图象与(2)中所作垂直平分线交于点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
更新时间:2024-03-20 22:51:19
|
相似题推荐
解答题-问答题
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适中
(0.65)
【推荐1】如图,在平面直角坐标系中,点O是坐标原点,一次函数
与反比例函数
(
)的图象交于
,
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/79549da4-feba-46fe-9002-fcb9385b4a56.png?resizew=165)
(1)求一次函数和反比例函数的解析式;
(2)根据图象直接写出当
时,
的取值范围;
(3)若点
在
轴上,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed06ccefffc165f9c77250cd28301d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc4622a5f65ffbece28e09206b0cb8d.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/79549da4-feba-46fe-9002-fcb9385b4a56.png?resizew=165)
(1)求一次函数和反比例函数的解析式;
(2)根据图象直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13ec9a812274ad0839f20ba17348687.png)
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解答题-问答题
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适中
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【推荐2】如图,平面直角坐标系中,一次函数
的图象
与反比例函数
的图象交于点
和
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/23/5f577378-9d28-49c3-84ea-dade00bfc9ba.png?resizew=341)
(1)求一次函数和反比例函数的表达式;
(2)请直接写出
时,
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ef2a01ee2376815b0509348c177f81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c712f0c9c286e004d989b16937fa609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e985f1340c05b4e9cad85db1d54d66d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/23/5f577378-9d28-49c3-84ea-dade00bfc9ba.png?resizew=341)
(1)求一次函数和反比例函数的表达式;
(2)请直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac67e9a909472ab852d38d2ec66a1e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解答题-作图题
|
适中
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【推荐1】如图,△ABC中,∠C=90°.
(1)用尺规作图作AB边上的垂直平分线DE,交AC于点D,交AB于点E.(保留作图痕迹,不要求写作法和证明);
![](https://img.xkw.com/dksih/QBM/2019/4/2/2173909891637248/2180314419322880/STEM/0d1943acd5cf463892ce5b99af7f6443.png?resizew=224)
(2)在(1)条件下,连结BD,当BC=3cm,AB=5cm时,求△BCD的周长.
(1)用尺规作图作AB边上的垂直平分线DE,交AC于点D,交AB于点E.(保留作图痕迹,不要求写作法和证明);
![](https://img.xkw.com/dksih/QBM/2019/4/2/2173909891637248/2180314419322880/STEM/0d1943acd5cf463892ce5b99af7f6443.png?resizew=224)
(2)在(1)条件下,连结BD,当BC=3cm,AB=5cm时,求△BCD的周长.
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解答题-证明题
|
适中
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【推荐2】如图,在四边形
中,
,对角线
交于点O,且
,过点O作
,交
于点E,交
于点F.
为平行四边形;
(2)连接
,若
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d578394cd8e4d7a705599269c512960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2fb91028cda3644b82b04da29cbe52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c672f693a7e75a7bae4936dcb1920430.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6770d3bec16ffbbfb49f4df24c2171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a82a2078d2cae27b9cc33473a0df32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a55a1a244f81097e05e715b69580faa.png)
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解答题-证明题
|
适中
(0.65)
【推荐1】在学习完勾股定理后,喜欢思考的小明想进一步探究直角三角形斜边的中线,他的思路是:
在中,先作出直角边
的垂直平分线,并猜测它与斜边
的交点是中点,于是他把交点与点
连接,通过垂直平分线的性质以及等角对等边的代换,他发现了直角三角形斜边的中线与斜边的数量关系.
请根据小明的思路完成以下作图与填空:
用直尺和圆规作的垂直平分线交
与点
,垂足为点
,连接
.(保留作图痕迹,不写作法)
已知:在中,
°,
垂直平分
,垂足为点
.
求证:.
证明:∵垂直平分
,
∴________,
∴.
∵在中,
,
∴,
________
,
∴,
∴________,
∴.
∴.
通过探究,小明发现直角三角形均有此特征,请依照题意完成下面命题:直角三角形斜边的中线________.
由此易解决以下问题:若的周长为24,
,
,则
边上的中线长为________.
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解答题-作图题
|
适中
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【推荐2】如图,△ABC中,∠B=80°,∠C=40°,
(1)尺规作图:作AC的垂直平分线,交AC于点D,交BC于点E;
(2)连接AE,求证:AB=AE.
(1)尺规作图:作AC的垂直平分线,交AC于点D,交BC于点E;
(2)连接AE,求证:AB=AE.
![](https://img.xkw.com/dksih/QBM/2019/11/13/2332911273492480/2333465144770560/STEM/ad0f1ba2d6094ee9a196651d53f17d80.png?resizew=112)
您最近一年使用:0次
解答题-问答题
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适中
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【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
,与
轴交于
点,与
轴交于
点.
;
(2)求出a,k的值;
(3)若
为x轴上的一动点,当
的面积为
时,求m的值;
(4)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)
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![](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/8c3b56dce2567941b1543e1cb2447901.png)
(2)求出a,k的值;
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b476509d73c4a0091277b6fd5605aab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4b0c4b339f44bbac0e275eb0718234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec85f29c0860b57a8f0cf8098c13a97e.png)
(4)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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解答题-问答题
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【推荐2】如图,一次函数
的图象与反比例函数
的图象交于点
,与y轴交于点B,与x轴交于点E.
(1)求a,k的值;
(2)直线
过点
,与反比例函数图象交于点
,与
轴交于点
.求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e091cface0c4a22727634eb480562d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9940526785ca763da2dfa35e77c934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab707ee5a7e58275b1b752cbc03f8921.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/d16f1ee6-c38a-4609-916e-9273a6a9eebc.png?resizew=174)
(1)求a,k的值;
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b3459f3a23d770b6bd7c320fedc4bcc.png)
![](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/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
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