如图,在平面直角坐标系xOy中,一次函数y
x
的图象过点A(a,3),与x轴相交于点B.
![](https://img.xkw.com/dksih/QBM/2022/2/25/2924061265870848/2937993041395712/STEM/c3d81ba3f94342699eb418f62a1294dd.png?resizew=206)
(1)求点A、B的坐标;
(2)过点A的直线交x轴正半轴于点D,若AB=AD,求直线AD的函数关系式及点B到直线AD的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d6663162b32fc56db083f6d6ea255d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05a452a777d62f530e3de76e03d9f2e.png)
![](https://img.xkw.com/dksih/QBM/2022/2/25/2924061265870848/2937993041395712/STEM/c3d81ba3f94342699eb418f62a1294dd.png?resizew=206)
(1)求点A、B的坐标;
(2)过点A的直线交x轴正半轴于点D,若AB=AD,求直线AD的函数关系式及点B到直线AD的距离.
更新时间:2022-03-17 08:25:03
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】小亮早晨从家骑车到学校,先上坡后下坡,离家距离y(千米)与出发时间x(分)之间的函数关系如图所示.
![](https://img.xkw.com/dksih/QBM/2022/1/7/2896516141441024/2944608189267968/STEM/8f82a7c5-ec6e-4f14-b0bf-318975bf12bd.png?resizew=177)
(1)求出小亮下坡时y与x之间的函数表达式;
(2)当小亮骑车20分钟时,他离家多远?
![](https://img.xkw.com/dksih/QBM/2022/1/7/2896516141441024/2944608189267968/STEM/8f82a7c5-ec6e-4f14-b0bf-318975bf12bd.png?resizew=177)
(1)求出小亮下坡时y与x之间的函数表达式;
(2)当小亮骑车20分钟时,他离家多远?
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】设m是不小于
的实数,关于x的方程
有两个不相等的实数根
,
(1)若
,求m值;
(2)令
,求T的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e393cbdb88845fa1aafca2a8bf19fe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac51c28f032f041daecc99f253b3b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694c99143dcd6fdc8138efa03d0c3350.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9ca8b3d9953392f6a181d504eb63ce.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c853371e3a9cfb0fd1e28e80724dd576.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在直角坐标系中,直线
与分别于x、y轴交于点A,B,点C在x轴上CD⊥AB.垂足为D,交y轴于点E (0,3) .
(1)求△AOB的面积;
(2)求线段CE的长;
(3)求D点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a98e24892abc0eb34d5216d4e89c61.png)
(1)求△AOB的面积;
(2)求线段CE的长;
(3)求D点的坐标.
![](https://img.xkw.com/dksih/QBM/2020/6/27/2493873307197440/2494641490337792/STEM/997ebbca-6099-4b5e-a705-77e3686ca56a.png?resizew=268)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,在平面直角坐标系中,点
,点
,直线
与直线
交于点
.动点
从点
出发,以每秒1个单位长度的速度沿射线
运动,设运动时间为
秒,
的面积为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/b5dfbb7e-cc2e-407e-940f-a60562ec0220.png?resizew=199)
(1)求点
的坐标;
(2)求
与
的函数关系式,并写出自变量的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3cb0f2543b7f450bfa25c39e1fdc9ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a45787c14eb3c252e0b9d1a6550879e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/bdc93e193fad261689949a52819753f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d0151288363337e743d5796b952473.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/b5dfbb7e-cc2e-407e-940f-a60562ec0220.png?resizew=199)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次