如图1,在平面直角坐标系中,点
,
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84466fa6ae6d2490845eb33010956d75.png)
.
三点的坐标.
(2)若线段
与
轴相交于点
,已知点
为
中点,在坐标轴上是否存在一点
,使
和
的面积相等?若存在,求出点
坐标.若不存在,请说明理由.(点
除外)
(3)如图2,过点
作
于点
,
是线段
上一点,满足
,若点
是第二象限内的一点,连接
,使
,点
是线段
上一动点(不与
、
重合),连接
交
于点
,点
在线段
上运动的过程中,
的值是否会变化?若不变,请求出它的值;若变化,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b9486ec9dca95979803bf91ca6c337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090036e12ff001155e8657e3183a4149.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd459f2ae8d33cc126a6a0c3351768f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84466fa6ae6d2490845eb33010956d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a67527e719ca35f3f69a04065078cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)若线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36691f0269294ecae8f00b7bce97756c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(3)如图2,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dd2f8104b26f09cb5a99ca9edeee8cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5451329ae0123e0c4eee8fdad9cfe133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2abeaef9e550aa6fce67c94821a5611.png)
更新时间:2024-05-10 18:38:01
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知,A,B在数轴上对应的数分别用a,b表示,且(
ab+100)2+|a﹣20|=0,P是轴一个动点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/6/26d3ccdc-0134-481f-828a-37522ef1eec6.png?resizew=293)
(1)在数轴上标出A、B的位置,并求出A、B之间的距离.
(2)动点P从原点开始第一次向左移动1个单位长度,第二次向右移动3个单位长度,第三次向左移动5个单位长度,第四次向右移动7个单位长度,…….点P能移动到与A或B重合的位置吗?若都不能,请直接回答.若能,请直接指出,第几次移动与哪一点重合?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/6/26d3ccdc-0134-481f-828a-37522ef1eec6.png?resizew=293)
(1)在数轴上标出A、B的位置,并求出A、B之间的距离.
(2)动点P从原点开始第一次向左移动1个单位长度,第二次向右移动3个单位长度,第三次向左移动5个单位长度,第四次向右移动7个单位长度,…….点P能移动到与A或B重合的位置吗?若都不能,请直接回答.若能,请直接指出,第几次移动与哪一点重合?
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】甲,乙两同学住在同一小区,是某学校的同班同学,小区和学校在一笔直的大街上,距离为2560米,在该大街上,小区和学校附近各有一个公共自行车取(还)车点,甲从小区步行去学校,乙比甲迟出发,步行到取车点后骑公共自行车去学校,到学校旁还车点后立即步行到学校(步行速度不变,不计取还车的时间).设甲步行的时间为x(分),图1中的线段OM和折线
分别表示甲、乙同学离小区的距离y(米)与x(分)的函数关系的图象;图2表示甲、乙两人的距离s(米)与x(分)的函数关系的图象(一部分).根据图1、图2的信息,解答下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/23/ed5129ad-2c2d-417a-8703-ce0673fee31f.png?resizew=603)
(1)分别求甲、乙两同学的步行速度与乙骑自行车的速度;
(2)求乙同学骑自行车时,y与x的函数关系式和a的值;
(3)补画完整图2,并用字母标注所画折线的终点及转折点,写出它们的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80df87e3016777577e5723a13c204d56.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/23/ed5129ad-2c2d-417a-8703-ce0673fee31f.png?resizew=603)
(1)分别求甲、乙两同学的步行速度与乙骑自行车的速度;
(2)求乙同学骑自行车时,y与x的函数关系式和a的值;
(3)补画完整图2,并用字母标注所画折线的终点及转折点,写出它们的坐标.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】在平面直角坐标系中,有点
.
(1)当点
在第二象限的角平分线上时,求
的值.
(2)当点
在坐标轴上时,求
的值.
(3)当点
到
轴的距离是它到
轴距离的2倍时,求点
所在的象限.
(4)当
轴,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d38e05a351779a19c64dd49f2bc1b6.png)
(1)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)当点
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(4)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f614a3aa0923fbbc1069de0e1d911a46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.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,在
中,
,
分别平分
和
,
相交于点F,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb0032f850bd19a3af6c44c416b0a2aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb0032f850bd19a3af6c44c416b0a2aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36719f1e764ee0e719b65c49fae84677.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/29/ed6efe1f-ed8a-4c36-b11a-e5043d09e27e.png?resizew=205)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
名校
【推荐2】已知:如图,在
中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/15/ee792716-9bfc-4963-91ba-68aec7e998e7.png?resizew=137)
(1)作
的角平分线
(用尺规作图,保留作图痕迹)
(2)作
的高
(用尺规作图,保留作图痕迹),交
于点F
(3)图中的
与
相等吗?证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/15/ee792716-9bfc-4963-91ba-68aec7e998e7.png?resizew=137)
(1)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
(2)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
(3)图中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024015816ece1fd176186ed0f04db8f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2ee75a234ac05a3225e49ddd8c5065.png)
您最近一年使用:0次