一个正比例函数
的图象经过点
.
(1)求正比例函数的解析式.
(2)当
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa841ce5d58b64f747a3c1b69bb20a5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea780fd5d6e37359be4f38cfb6b6f6b.png)
(1)求正比例函数的解析式.
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e1c84057882768f20a01365c81b6760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
更新时间:2023-01-17 17:27:33
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【推荐1】如图,在平面直角坐标系中,直线
经过点
,与直线
交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/7c2f3d69-46ca-4f18-97d0-45c3393d075c.png?resizew=284)
(1)求直线
的表达式;
(2)过A点作x轴的垂线交
于点C,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2eb72e8b76085ff93a82b0f395160b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc14c7a04664504130dfc331fc6d1891.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616468d9bfce9aacef9f939e6df85901.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/7c2f3d69-46ca-4f18-97d0-45c3393d075c.png?resizew=284)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
(2)过A点作x轴的垂线交
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9524e3810e06dc781285f1289e75d653.png)
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【推荐2】一次函数y=bx+k的图象过点(-2,-3)和(1,3),
(1)求k与b的值;
(2)判定(-2,3)是否在此函数图像上?
(1)求k与b的值;
(2)判定(-2,3)是否在此函数图像上?
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【推荐1】在四个完全相同的小球上分别写上1,2,3,4四个数字,然后装入一个不透明的口袋内搅匀,从口袋内取出一个球记下数字后作为点M的横坐标x,放回袋中搅匀,然后再从袋中取出一个球记下数字后作为点M的纵坐标y,求点
落在直线
上的概率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1882d2f789de61b5b7e3ec952e13b99e.png)
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【推荐2】已知
是
的一次函数,当
时,
;当
时,
;
(1)求
与
的函数关系式?
(2)若
在(1)中函数图象上,求
的值?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8076b511e27939c629762296b8cfd08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940d2a86ce2df808e29ce79c7c782a43.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/097b73b5712e999bc56755fe2f36dbd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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