如图1,已知
和
均为等腰直角三角形,点D、E分别在线段
上,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/29/36c82f2c-be3f-4e17-9e8a-a277fa2a3214.png?resizew=349)
(1)【观察猜想】
将
绕点A逆时针旋转,连接
,如图2,当
的延长线恰好经过点E时:
的值为________;
的度数为___________度;
(2)【类比探究】
如图3,继续旋转
,连接
,
,设
的延长线交
于点F,请求出
的值以及
的度数;
(3)拓展延伸:若
,
,当C、A、D三点在同一直线上时,请直接写出线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d54431bbb28ebd98db5c1dc6083a75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ee9ce4563b7e07c014769075b1edd76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/29/36c82f2c-be3f-4e17-9e8a-a277fa2a3214.png?resizew=349)
(1)【观察猜想】
将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a03841966d8142fa4a4aed023e37931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9af91834644b94e1b023b33e15a0644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6282292819434a8905a212427613fd85.png)
(2)【类比探究】
如图3,继续旋转
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9af91834644b94e1b023b33e15a0644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77282d5b97a60264cf15fb74b48e4b59.png)
(3)拓展延伸:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e6292216592a5eba3293a85bbdb3e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30f9b7a6123f13fa0793ead76dc651a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
更新时间:2022-10-23 15:05:41
|
相似题推荐
解答题-作图题
|
较难
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【推荐1】如图,在
中,
,
,将射线
绕点
顺时针旋转
得到射线
,射线
与直线
的交点为点
.在直线
上截取
(点
在点
右侧),将直线
绕点
顺时针旋转
所得直线交直线
于点
.
与点
重合时,补全图形并求此时
的度数;
(2)当点
不与点
重合时,依题意补全图2,用等式表示线段
与
的数量关系,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fae4870ceb2361ec41dff36651c5f9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8dd0c52aca1675c17b9a019aa7901e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc795aaa18339f722dda127327c1e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8dd0c52aca1675c17b9a019aa7901e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd1bc0388e7fad3e849ca39c67f5034.png)
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce6c0e9de83f2e64ae33609fc08459d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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【推荐2】如图,在四边形ABCD中,∠B=∠D=60°,∠BAC=∠ACD=90°,点E为边AB上一点,AB=3AE=3cm,动点P从B点出发,以1cm/s的速度沿BC→CD→DA运动至A点停止,设运动时间为t秒.
![](https://img.xkw.com/dksih/QBM/2017/2/16/1625329569234944/1636599682867200/STEM/d12ef838257a407f9fe6db2490b27e49.png?resizew=219)
(3)当t=4时,把△ABP沿直线AP翻折,得到△AFP,求△AFP与□ABCD 重叠部分的面积.
![](https://img.xkw.com/dksih/QBM/2017/2/16/1625329569234944/1636599682867200/STEM/d12ef838257a407f9fe6db2490b27e49.png?resizew=219)
(1)求证四边形ABCD是平行四边形;
(2)当△BEP为等腰三角形时,求的值;
(3)当t=4时,把△ABP沿直线AP翻折,得到△AFP,求△AFP与□ABCD 重叠部分的面积.
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【推荐1】如图,长方形AOBC在直角坐标系中,点A在y轴上,点B在x轴上,已知点C的坐标是(8,4).
(1)对角线AB的垂直平分线MN交x轴于点M,连接AM,求线段AM的长;
(2)在x轴上是否存在一个点P,使△PAM为等腰三角形?如果有请直接写出符合题意的所有点P的坐标.
(1)对角线AB的垂直平分线MN交x轴于点M,连接AM,求线段AM的长;
(2)在x轴上是否存在一个点P,使△PAM为等腰三角形?如果有请直接写出符合题意的所有点P的坐标.
![](https://img.xkw.com/dksih/QBM/2018/12/22/2102451648741376/2107375569084416/STEM/079029cd0dd4407e980112d044d89abe.png?resizew=221)
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【推荐2】已知:在Rt△ABC中,
,AB=AC,点D为BC边中点.点M为线段BC上的一个动点(不与点C,点D重合),连接AM,将线段AM绕点M顺时针旋转
,得到线段ME,连接EC.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/5a97ad05-cc33-429e-bcce-350363e893a2.png?resizew=483)
(1)如图1,若点M在线段BD上,求∠MCE的度数.
(2)如图2,若点M在线段CD上,试探究线段AC、CE、CM之间的数量关系,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847803f215e1d8e69392df42c6473741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/5a97ad05-cc33-429e-bcce-350363e893a2.png?resizew=483)
(1)如图1,若点M在线段BD上,求∠MCE的度数.
(2)如图2,若点M在线段CD上,试探究线段AC、CE、CM之间的数量关系,并证明你的结论.
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【推荐3】如图Ⅰ,在第四象限的矩形ABCD,点A与坐标原点O重合,且AB=4,AD=3.如图Ⅱ,矩形ABCD沿OC方向以每秒1个单位长度的速度运动,同时点Q从B点出发也以每秒1个单位长度的速度沿矩形ABCD的边BC经过点C向点D运动,当点Q到达点D时,矩形ABCD和点Q同时停止运动,设点Q运动的时间为t秒.
(1)在图Ⅰ中,点C的坐标(____),在图Ⅱ中,当t=2时,点A坐标(______),Q坐标(______);
(2)当点Q在线段BC或线段CD上运动时,求出△ACQ的面积S关于t的函数关系式,并写出t的取值范围;
(3)点Q在线段BC或线段CD上运动时,作QM⊥x轴,垂足为点M,当△QMO与△ACD相似时,求出相应的t值.
(1)在图Ⅰ中,点C的坐标(____),在图Ⅱ中,当t=2时,点A坐标(______),Q坐标(______);
(2)当点Q在线段BC或线段CD上运动时,求出△ACQ的面积S关于t的函数关系式,并写出t的取值范围;
(3)点Q在线段BC或线段CD上运动时,作QM⊥x轴,垂足为点M,当△QMO与△ACD相似时,求出相应的t值.
![](https://img.xkw.com/dksih/QBM/2017/3/28/1653745172152320/1715851367784448/STEM/d59580cfb8ec4ab0a57bfbe899505340.png?resizew=514)
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名校
【推荐1】已知等边三角形
,过A点作
的垂线l,点P为l上一动点(不与点A重合),连接
,把线段
绕点C逆时针方向旋转
得到
,连
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/9907b55e-0f13-49b4-9192-4b3986d7edc5.png?resizew=523)
(1)如图1,
______
(填“>”,“=”或“<”);
(2)如图2,当点P、B在
同侧且
时,连接
并延长交
于点D,求线段
与
的数量关系;
(3)如图3,若等边三角形
的边长为
,点P、B分别位于直线
异侧,点A,P,Q不在同一直上且
的面积等于
,求线段
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53330c107f8245290a5a42c3d356acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf702adb116c1e46569eb7050d029f49.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/9907b55e-0f13-49b4-9192-4b3986d7edc5.png?resizew=523)
(1)如图1,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
(2)如图2,当点P、B在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a42de572d68ded125eccccc512c4fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f53330c107f8245290a5a42c3d356acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
(3)如图3,若等边三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802e162b98c280720fcb909cf392fda3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
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【推荐2】某数学学习小组在学习旋转相关知识后,对特殊的四边形进行探究,有如下深究过程.
【问题解决】
(1)如图①,在矩形
中,点
为
边上一点,将
绕点
顺时针笑转90°后得
.若点
恰好落在
边上,求证:
;
【问题探究】
(2)如图②,在正方形
中,点
为
的中点,将
绕点
原时针旋转90°后得
.连接
,
.若
,求点
到
的距离;
【拓展延伸】
(3)如图③,在菱形
中,点
为
边上任意一点,点
在
上,
.
,
交于点
.若
,
,当
为等腰三角形时,直接写出
的长.
【问题解决】
(1)如图①,在矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32aa96520f55c12f723ef9b9beefb8c2.png)
【问题探究】
(2)如图②,在正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
【拓展延伸】
(3)如图③,在菱形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d1b54e7477a5960285b14fb753caf87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454328a8e75953fdb0835ce80d9566e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
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较难
(0.4)
【推荐1】【问题发现】(1)如图1,在矩形ABCD中,
,
,E为边DC上的一个点,连接BE,过点C作BE的垂线交AD于点F,试猜想BE与CF的数量关系.
【类比探究】(2)如图2,在矩形ABCD中,
,
,G为边AB上的一个点,E为边CD延长线上的一个点,连接GE交AD于点H,过点C作GE的垂线交AD于点F,试猜想GE与CF的数量关系并说明理由.
【拓展延伸】(3)如图3,在正方形ABCD中,点E从点B出发沿射线BC运动,连接AE,过点B作AE的垂线交射线CD于点F,过点E作BF的平行线,过点F作BC的平行线,两平行线交于点H.当点E运动的路程为8时,请直接写出点H运动的路径长度.
![](https://img.xkw.com/dksih/QBM/2022/4/23/2967842095915008/2977821783810048/STEM/1002f304-1b55-49a9-a337-c292d861ffe7.png?resizew=163)
![](https://img.xkw.com/dksih/QBM/2022/4/23/2967842095915008/2977821783810048/STEM/8ce8b7f4-0216-47de-8536-017bd70d571c.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
【类比探究】(2)如图2,在矩形ABCD中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
【拓展延伸】(3)如图3,在正方形ABCD中,点E从点B出发沿射线BC运动,连接AE,过点B作AE的垂线交射线CD于点F,过点E作BF的平行线,过点F作BC的平行线,两平行线交于点H.当点E运动的路程为8时,请直接写出点H运动的路径长度.
![](https://img.xkw.com/dksih/QBM/2022/4/23/2967842095915008/2977821783810048/STEM/1002f304-1b55-49a9-a337-c292d861ffe7.png?resizew=163)
![](https://img.xkw.com/dksih/QBM/2022/4/23/2967842095915008/2977821783810048/STEM/8ce8b7f4-0216-47de-8536-017bd70d571c.png?resizew=157)
![](https://img.xkw.com/dksih/QBM/2022/4/23/2967842095915008/2977821783810048/STEM/7abd849a-526d-44a5-a9e8-efed5d822097.png?resizew=171)
您最近一年使用:0次
解答题-应用题
|
较难
(0.4)
【推荐2】抛物线
交
轴于点
,
,与
轴交于点
.
,
的值和
点的坐标;
(2)如图(1),点
是第四象限抛物线上一点,连接
,
,若
,求
点的坐标;
(3)如图(2),将(2)中的抛物线平移到顶点在原点的位置,点
,
是平移后抛物线上两点,且
,作
于点
,求当
最大时,
点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e7cc81c3b615c59d478a78630085.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/69fff64ee6ea236550185efc7ed1b598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15af0278feed30c7c6ca0c6788406976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)如图(1),点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/426168c234103ac48fd40dc8d70e69e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(3)如图(2),将(2)中的抛物线平移到顶点在原点的位置,点
![](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/a6dbd752a44198f0c7f4df1e8259eda9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00148717f95c6427487c1e55baa1844.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a89b84233b74bd117c253fceba46dbec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
您最近一年使用:0次