已知:如图,在平面直角坐标系中,直线AB与反比例函数y=
(m>0)的图象交于点A(1,4)、B(a、b),q其中a>1.过点A作x轴的垂线,垂足为C,过点B作y轴的垂线,垂足为D,AC与BD相交于点M,连接CD.
![](https://img.xkw.com/dksih/QBM/2015/9/9/1573911143153664/1573911148748800/STEM/49da2cdbecb74cd193aa581be9da7ab4.png)
(1)求该反比例函数的解析式;
(2)求证:CD∥AB.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7626c207a4dc82d4d59cb520c91e49.png)
![](https://img.xkw.com/dksih/QBM/2015/9/9/1573911143153664/1573911148748800/STEM/49da2cdbecb74cd193aa581be9da7ab4.png)
(1)求该反比例函数的解析式;
(2)求证:CD∥AB.
2015·河北邯郸·二模 查看更多[2]
更新时间:2016-12-06 02:33:20
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【推荐1】如图,一次函数
与反比例函数
的图象相交于A(2,8),B(8,n)两点,连接AO,BO,延长AO交反比例函数图象于点C.
的表达式与反比例函数
的表达式:
(2)当
<
时,直接写出自变量x的取值范围为_________;
(3)点P是x轴上一点,当S△PAC=
S△AOB时,求出点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715416015a9634f5eafe3d399987d837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d105b74c40724a7da626e7c42afbf5fa.png)
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(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
(3)点P是x轴上一点,当S△PAC=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
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【推荐2】反比例函数
与一次函数
的图像交于A、B两点,A坐标为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/30/918562cd-25f6-4182-b43d-1559cf45a9a1.png?resizew=170)
(1)求出B点坐标;
(2)若
是反比例函数
图像上的点,
是一次函数
图像上的点,当点M在点N下方时,判断自变量x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b74381f68eb1e33d412a7a3d62313f.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/30/918562cd-25f6-4182-b43d-1559cf45a9a1.png?resizew=170)
(1)求出B点坐标;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8198c3b302b3820e86763428eb1e91cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
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【推荐1】如图,在△ABC中,D为AB边上一点,E为AC边上一点,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c06303049dc0882ef5759be22ab0895.png)
(1)求证:△ADE∽△ABC;
(2)求△ADE与四边形DBCE的面积比.
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(1)求证:△ADE∽△ABC;
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【推荐2】如图,已知ΔABC内接于⊙O,AB为⊙O的直径,BD⊥AB,交AC的延长线于点D.
(1)若E是BD的中点,连结CE,试判断CE与⊙O的位置关系.
(2)若AC=3CD,求∠A的大小.
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(2)若AC=3CD,求∠A的大小.
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