已知,A(0,a),B(b,0),点C为x轴正半轴上一个动点,且AC=CD,∠ACD=90°.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/28/d2b8fd3c-1b4c-4b17-8afd-07665d351708.png?resizew=226)
(1)已知a,b满足等式|a +b|+b2+4b=-4,求A点和B点的坐标;
(2)连BD交y轴于点H,求点H的坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/28/d2b8fd3c-1b4c-4b17-8afd-07665d351708.png?resizew=226)
(1)已知a,b满足等式|a +b|+b2+4b=-4,求A点和B点的坐标;
(2)连BD交y轴于点H,求点H的坐标.
更新时间:2022-07-18 08:16:28
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