如图,反比例函数
(
)的图象与一次函数
的图象交于点
,点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/9/645598e9-6b47-460f-b85c-854f33757f81.png?resizew=173)
(1)求一次函数和反比例函数的解析式;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07565f10847840e0fb07b05218ad17fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ca979687ffb2214e747525635a6912c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec43a1052208b992850fc6ada35ac84.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/9/645598e9-6b47-460f-b85c-854f33757f81.png?resizew=173)
(1)求一次函数和反比例函数的解析式;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
更新时间:2023-04-08 11:50:54
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【推荐1】已知二次函数
的图象过点
,
.
(1)求此二次函数的解析式;
(2)如图,二次函数的图象与
轴交于点
,二次函数图象的对称轴与直线
交于点
,求
点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d88bbd34102b55fa928e8ff83f0d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241ce9bd28046ce9b90f43b391132884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2f117dc9adcb8fa7acf25bd2cbf283.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/11/f496a558-a3de-4990-94d0-cd09b98a4900.png?resizew=170)
(1)求此二次函数的解析式;
(2)如图,二次函数的图象与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/dad2a36927223bd70f426ba06aea4b45.png)
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【推荐2】如图1,在平面直角坐标系
中,一次函数
的图像经过
和
两点.
(1)求一次函数
的表达式:
(2)如图2,反比例函数
与一次函数
的图像交于A,B两点,在坐标系内作平行四边形
,边
与y轴交于点E,过点A作
轴于点F,连接
,
的面积为4,
,请求m的值;
(3)在(2)的条件下,请根据图像,直接写出关于x的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d501afbd7542f2f724b658edf39af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd0825e68122a65426840fbf07cf296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881fe2df23c5a0fe1d1fecbe9ffa55fb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/9/1a8edf6a-0f7d-45ac-86ee-b4b12e43e233.png?resizew=314)
(1)求一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d501afbd7542f2f724b658edf39af4.png)
(2)如图2,反比例函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7924250556e9da769f6c9a7f3abfa8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d501afbd7542f2f724b658edf39af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323232ab36943d1d5d2831d70ffcff87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98bc9df3b35bd5142fa1ba5f7df2eff0.png)
(3)在(2)的条件下,请根据图像,直接写出关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540782ba0413723647c095b294509c6c.png)
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【推荐1】反比例函数
在第二象限的图象与矩形OABC的边交于D,E,BE=CE,点B的坐标是(﹣6,4).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/16/fec07f28-3910-4351-bceb-a132dfe636d6.png?resizew=159)
(1)求k的值;
(2)求直线DE的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/16/fec07f28-3910-4351-bceb-a132dfe636d6.png?resizew=159)
(1)求k的值;
(2)求直线DE的解析式.
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【推荐2】如图,在平面直角坐标系中,B、C为反比例函数
(x>0)图象上两点,延长
与x轴相交于点A,且点B为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/12/70258e2e-6ca2-4338-abeb-cab2dbb5ee21.png?resizew=143)
(1)若
,求点A的坐标;
(2)若
的面积等于6,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/12/70258e2e-6ca2-4338-abeb-cab2dbb5ee21.png?resizew=143)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf8f5d8be251bf2848d6d10aa0340f9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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【推荐1】如图,直线y1=kx+b与双曲线y2=
相交于点A(
,2),B(﹣1,﹣3).
(1)求直线与双曲线的解析式;
(2)过点A作AC⊥y轴于点C,连接BC,求△ABC的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b96ef70cbbce3e94f422654956292df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
(1)求直线与双曲线的解析式;
(2)过点A作AC⊥y轴于点C,连接BC,求△ABC的面积.
![](https://img.xkw.com/dksih/QBM/2021/8/4/2778699025104896/2781732699242496/STEM/a842da8dda364fb4922686cde05abe0b.png?resizew=212)
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【推荐2】如图,在平面直角坐标系
中,函数
的图象与直线
交于点
.
(2)已知点P为直线
在第一象限上的一个动点,且点P的横坐标为a,过点P作x轴的垂线,交函数
的图象于点Q,当
时,求a的值;
(3)观察图象,直接写出当
时,a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9940526785ca763da2dfa35e77c934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b081a3d49f59c6a96a8afb7511f91875.png)
(2)已知点P为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9940526785ca763da2dfa35e77c934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d14c6959273338a048b023805cce80.png)
(3)观察图象,直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c4de0f5cb7e881369dd71bdfcb3add.png)
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【推荐1】“善思”数学兴趣小组在学习了反比例函数相关知识后,继续探究
的图象与性质.列表如下:
的值是________,并将函数
的图象补充完整(画出大致图象即可).
(2)已知一次函数
的图象经过点
,
,请直接写出不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad9049a7e95bb312336f08d9bf30f184.png)
… | 1 | 2 | 3 | … | ||||||
… | 1 | 2 | 4 | 4 | 2 | … |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad9049a7e95bb312336f08d9bf30f184.png)
(2)已知一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/257dd4ddacb8667a761be897568f3674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289ada46dd6a8dd75aba834709f09def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8855438f0cb6e370fa2259998227170.png)
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【推荐2】已知A(﹣3,4),B(n,﹣2)是一次函数y=kx+b的图象和反比例函数y=
的图象的两个交点,直线AB与x轴交于点C.
(1)求反比例函数和一次函数的关系式;
(2)连接OB,求△AOB的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7626c207a4dc82d4d59cb520c91e49.png)
(1)求反比例函数和一次函数的关系式;
(2)连接OB,求△AOB的面积.
![](https://img.xkw.com/dksih/QBM/2021/12/9/2868632234352640/2869591148740608/STEM/a9d94fc8-807e-4358-ab18-12627c105c1e.png?resizew=196)
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