如图所示,在平面直角坐标系
中,点A,
,
的坐标为
,
,
,其中
,
,
满足
,
.
(1)求
,
,
的值;
(2)若
在
轴上,且
,求
点坐标;
(3)如果在第二象限内有一点
,
在什么取值范围时,
的面积不大于
的面积?求出在符合条件下,
面积最大值时点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/ef4a90cfdbfa05577b6ec0b22739e7c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fabe33b24e9cabf7a5530bc75d37da2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f00fdb0b1dfb21a2e192990b79be37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.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/24f81c1e91ae24e4af740798f1eaea29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc3b5adde543bdd99d10f0b8e32a346.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b778d2f43e5531a611c7550821846e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)如果在第二象限内有一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26178e9ecc496514c4a3d8ab8cb04fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b4dcc093218443f71a046b6df94bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b4dcc093218443f71a046b6df94bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2021/6/30/2754059361280000/2788665471655936/STEM/75ed19bb-7524-4396-a8d1-65ae0786b6f2.png)
更新时间:2021-08-18 08:57:20
|
相似题推荐
解答题-问答题
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【推荐1】如图1,在平面直角坐标系中,O为坐标原点,
的边
在x轴上,点A,B,C的坐标分别为
,
,
,且满足
,点P从C点出发以每秒2个单位长度的速度在线段
上向左匀速运动,到达点B即停止运动.设点P的运动时间为
秒,连接
.
(1)填空:
______,
_______,
的长度为_______(用含有t的式子表示).
(2)当
时,求点P的坐标.
(3)D是y轴上一点,
,过点D作
于点E,连接
,在点P的运动过程中,是否存在点P,使
平分
?若不存在,请说明理由;若存在,求出t的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98c17110dba6a1ddf771e188afa8218a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee07d86765c4fb74ac647742f16bd57c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade31720af00c25800279a27c45c95cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6637b8f3351d754841923ade56052070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05a62d60783712740c622a47e46ede7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/12/dd681a74-6d72-4eef-9f8c-5b4adda03966.png?resizew=448)
(1)填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac07edeace7f56d02419ab2badb9289c.png)
(3)D是y轴上一点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78691dacfa00dd2448b1ba94b264ec8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35eed9fb23f80002cc31dd57109e102a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7081dada4c2d7e8b7372637a900dbe21.png)
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【推荐2】如图,以直角三角形
的直角顶点
为原点,以
、
所在直线为
轴和
轴建立平面直角坐标系,点
,
满足
.
点的坐标为________;
点的坐标为________.
(2)如图
,已知坐标轴上有两动点
、
同时出发,
点从
点出发沿
轴负方向以
个单位长度每秒的速度匀速移动,
点从
点出发以
个单位长度每秒的速度沿
轴正方向移动,点
到达A点时整个运动随之结束.
的中点
的坐标是
,设运动时间为
.问:是否存在这样的
,使
?若存在,请求出
的值;若不存在,请说明理由.
(3)如图
,过
作
,作
交
于点
,点
是线段
上一动点,连
交
于点
,当点
在线段
上运动的过程中,
的值是否会发生变化?若不变,请求出它的值;若变化,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed01d1ff5a7f21a68fb3a1e5c7f393e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.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/296c31eaede57efe89ffb83f02ad4622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82948c56ef35919dedab9d81fbc654c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8adffa5727c4d200e24c57a471e62df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/fb8f58755aee89fb2cf72ba518dcee2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ebd1d359040a1172a944ded96ed0127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc24c55f8ddf8fa0f818ae098d0adf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4476af7470134cfc1a91293b98596cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d240d2dbf78efff2162658d2af89119b.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.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/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279be6ebb1ee0f39e3a4a3162b9faab4.png)
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【推荐2】如图,在平面直角坐标系中,O为坐标原点,点C在x轴负半轴上,
,点
,点
中的m、n是方程组
的解.
(2)动点P从点B出发,以每秒2个单位长度的速度沿x轴向左运动,连接
,设点P的运动时间为t秒,
的面积为S,用含t的式子表示
的面积S;
(3)在(2)的条件下,当
时,点P停止运动,过点P作x轴的垂线,交
于点Q,
,当点P停止运动时,点M从点P出发以每秒0.5个单位长度的速度沿
向终点C运动(当点M运动至点C时停止运动),连接
、
,求点M运动多少秒时,
与
的面积相等.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4d49b3685a0ee852c85b868cadc3761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025391f4cd9426c08ab8d590b8713057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/015588c83ec8316b0eb53f5e8e696621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ebdc0fdabe3cf17f29b85c5bc10663.png)
(2)动点P从点B出发,以每秒2个单位长度的速度沿x轴向左运动,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b4dcc093218443f71a046b6df94bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b4dcc093218443f71a046b6df94bbe.png)
(3)在(2)的条件下,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91244d9a7171eae7e2329424d7bac27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976836d2271c31a8f701f7e98ab624e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbde92a5354a6ac81220cfbc6bcdcf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b4dcc093218443f71a046b6df94bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad3e2b2689dfe97ec82d473ab6cf469.png)
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【推荐1】根据要求解不等式或答题
(1)
;
(2)若关于
的不等式组
有四个整数解,则
的取值范围是?
(3)
;
(4)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05043b6885b4dd6c6b154cb3b5b6f7.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607c45e9914a813072162671aaeb331b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/332bd33c2780508bf4654e07ebdf7d69.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7cfba6dd0d791fee84b41f9f74605ff.png)
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【推荐2】如图,一次函数y=
x+1的图象与x轴交于点A,与y轴交于点C,与反比例函数y=
(k≠0)的图象交于B,D两点,且AC=BC.
(1)写出点A,B的坐标;
(2)求出点D的坐标,并直接写出当
>
x+1时,x的取值范围;
(3)若P是x轴上一点,PM⊥x轴交一次函数于点M,交反比例函数于点N,当O,C,M,N为顶点的四边形为平行四边形时,请直接写出点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
(1)写出点A,B的坐标;
(2)求出点D的坐标,并直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(3)若P是x轴上一点,PM⊥x轴交一次函数于点M,交反比例函数于点N,当O,C,M,N为顶点的四边形为平行四边形时,请直接写出点P的坐标.
![](https://img.xkw.com/dksih/QBM/2021/11/5/2844537970827264/2844911154905088/STEM/76d9bdcd-77dc-4da1-b099-f581eeb20934.png)
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【推荐1】如图,在平面直角坐标系中,点A(0,b)、B(a,0)、D(d,0),且a、b、d满足
=0,DE⊥x轴且∠BED=∠ABD,BE交y轴于点C,AE交x轴于点F
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/6b5e381d-75e7-400a-b1f4-32ba9a71df66.png?resizew=372)
(1)求点A、B、D的坐标;
(2)求点E、F的坐标;
(3)如图,点P(0,-1)作x轴的平行线,在该平行线上有一点Q(点Q在点P的右侧)使∠QEM=45°,QE交x轴于点N,ME交y轴的正半轴于点M,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3951d6bb7dc306ed0510eec1f84716.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/6b5e381d-75e7-400a-b1f4-32ba9a71df66.png?resizew=372)
(1)求点A、B、D的坐标;
(2)求点E、F的坐标;
(3)如图,点P(0,-1)作x轴的平行线,在该平行线上有一点Q(点Q在点P的右侧)使∠QEM=45°,QE交x轴于点N,ME交y轴的正半轴于点M,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5557f63b6c9fc5ec5590a5e3d244bc32.png)
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【推荐2】在平面直角坐标系中,点
,点
,且ab满足
.
(1)填空:
__________,
__________;
(2)如图1,作等腰
,
,
,求C点坐标;
(3)如图2,点
在x轴负半轴上,分别以AB、BM为腰;点B为直角顶点,在第一、第二象限作等腰
,等腰
,连接DE交y轴于点F,求点F的坐标(用含m的式子表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3160fc73f2a90ae4a1a97351ab2673b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9199b50dd0036be9b764c621d1d46f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa0262c02444e886b28020a7df20d44.png)
(1)填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
(2)如图1,作等腰
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
(3)如图2,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8649ce18c628d0e03e72cef541f8284f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ab0e3f4783faa57520f1f9dff63439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11f1391bd788739a9c67054418b2173f.png)
![](https://img.xkw.com/dksih/QBM/2020/12/20/2618281826983936/2625221087322112/STEM/fc4a05a150734d6d90d8ae660fa7a7c1.png?resizew=314)
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