已知抛物线y=ax²+bx+c的图象交x轴于点A(x0,0)和点B(2,0),于y轴的正半轴教育点C,其对称轴是直线x=-1,tan∠BAC=2,点A关于y轴的对称点为点D.(1)确定A、C、D点的坐标;(2)求过B、C、D三点的
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![已知抛物线y=ax²+bx+c的图象交x轴于点A(x0,0)和点B(2,0),于y轴的正半轴教育点C,其对称轴是直线x=-1,tan∠BAC=2,点A关于y轴的对称点为点D.(1)确定A、C、D点的坐标;(2)求过B、C、D三点的](/uploads/image/z/2658581-53-1.jpg?t=%E5%B7%B2%E7%9F%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax%26sup2%3B%2Bbx%2Bc%E7%9A%84%E5%9B%BE%E8%B1%A1%E4%BA%A4x%E8%BD%B4%E4%BA%8E%E7%82%B9A%EF%BC%88x0%2C0%EF%BC%89%E5%92%8C%E7%82%B9B%EF%BC%882%2C0%EF%BC%89%2C%E4%BA%8Ey%E8%BD%B4%E7%9A%84%E6%AD%A3%E5%8D%8A%E8%BD%B4%E6%95%99%E8%82%B2%E7%82%B9C%2C%E5%85%B6%E5%AF%B9%E7%A7%B0%E8%BD%B4%E6%98%AF%E7%9B%B4%E7%BA%BFx%3D-1%2Ctan%E2%88%A0BAC%3D2%2C%E7%82%B9A%E5%85%B3%E4%BA%8Ey%E8%BD%B4%E7%9A%84%E5%AF%B9%E7%A7%B0%E7%82%B9%E4%B8%BA%E7%82%B9D.%EF%BC%881%EF%BC%89%E7%A1%AE%E5%AE%9AA%E3%80%81C%E3%80%81D%E7%82%B9%E7%9A%84%E5%9D%90%E6%A0%87%EF%BC%9B%EF%BC%882%EF%BC%89%E6%B1%82%E8%BF%87B%E3%80%81C%E3%80%81D%E4%B8%89%E7%82%B9%E7%9A%84)
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