名校
1 . 2024年5月5日至10日,习近平主席的欧洲三国之行,彰显了我国大国领袖的全球视野、天下情怀和时代担当.下列国际组织的图标中,是轴对称图形的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 如图,正方形
的边长为
,点
在
边上且
,点
是
上一动点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4fdb5421b7ccd0b89dd3943e5809765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/484155b48555fe7e39be4d34c0639763.png)
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3 . 一次函数
,
为常数,且
的图象和反比例函数
为常数,
的图象交于点
和点
.
(1)求
的值及一次函数的表达式.
(2)点
为反比例函数图象上一点,点
关于
轴的对称点再向下平移4个单位得到点
,点
恰好落在反比例函数图象上,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9b863b17b41888b043f46d8ed07c1f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103b6ff65be79b98e05c368ddcae533c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274c4cac8844be3afac15c71d56cf3b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e464a3586f84fcdf7d221619f8018144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e555db9f2598828e647f618b858c8d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292dd14f24b8392e499c328c1ca82f9b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)点
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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昨日更新
|
106次组卷
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2卷引用:2024年浙江省杭州市滨江区九年级中考数学一模试题
4 . 如图,
为半圆直径,
,点C为半圆上一点,点D和点B关于直线
对称,连接
交
于点E,连接
.设
,则y关于x的函数关系式为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f16b804ba9ccbc9a070f33734b5c1e9.png)
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5 . 如图, 在菱形
中, 点E为
的中点, 将菱形
沿
翻折, 使点 C落在
上的点 F 处. 若
, 则折痕
的长为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
您最近一年使用:0次
6 . 下列图形中,为轴对称图形的是( ).
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 2024年巴黎奥运会运动项目图标设计大量使用了对称元素.下列分别是划船、篮球、摔跤、冲浪四个运动项目的图标,其中既是轴对称图形又是中心对称图形的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
8 . 图①和图②都是
的正方形网格,每个小正方形边长均为1.每个小正方形的顶点叫做格点,点A,B,C都在格点上,按要求分别在图①和图②中画图:
(2)在图②中画一个四边形,使以A,B,C,E四点为顶点的四边形是周长最大的中心对称图形,并且点E在格点上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e788125f02d28749c086590197487f2d.png)
(2)在图②中画一个四边形,使以A,B,C,E四点为顶点的四边形是周长最大的中心对称图形,并且点E在格点上.
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名校
9 . 如图,将平行四边形沿
折叠,点
的对应点恰好为
边上的三等分点
(
),若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f79997547fb75e88ad1e2c66989a4a0.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3cbd4ad62c52b44e1297d450ab9f950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3568f51bde4e391c8f08ff3d55989aef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f79997547fb75e88ad1e2c66989a4a0.png)
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10 . 下列生活垃圾分类标志中,既是轴对称图形又是中心对称图形的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
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