如图,抛物线Y=X²+4X与X轴分别交于B,O,它的顶点为A,连接AB,把AB所在的直线沿Y轴向上平移,使他经过原点O,得到直线L,设P是直线L上一动点.问⑴求A点的坐标;⑵以A,B,O,P为顶点的四边形中有菱形,
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![如图,抛物线Y=X²+4X与X轴分别交于B,O,它的顶点为A,连接AB,把AB所在的直线沿Y轴向上平移,使他经过原点O,得到直线L,设P是直线L上一动点.问⑴求A点的坐标;⑵以A,B,O,P为顶点的四边形中有菱形,](/uploads/image/z/3815026-34-6.jpg?t=%E5%A6%82%E5%9B%BE%2C%E6%8A%9B%E7%89%A9%E7%BA%BFY%3DX%26%23178%3B%2B4X%E4%B8%8EX%E8%BD%B4%E5%88%86%E5%88%AB%E4%BA%A4%E4%BA%8EB%2CO%2C%E5%AE%83%E7%9A%84%E9%A1%B6%E7%82%B9%E4%B8%BAA%2C%E8%BF%9E%E6%8E%A5AB%2C%E6%8A%8AAB%E6%89%80%E5%9C%A8%E7%9A%84%E7%9B%B4%E7%BA%BF%E6%B2%BFY%E8%BD%B4%E5%90%91%E4%B8%8A%E5%B9%B3%E7%A7%BB%2C%E4%BD%BF%E4%BB%96%E7%BB%8F%E8%BF%87%E5%8E%9F%E7%82%B9O%2C%E5%BE%97%E5%88%B0%E7%9B%B4%E7%BA%BFL%2C%E8%AE%BEP%E6%98%AF%E7%9B%B4%E7%BA%BFL%E4%B8%8A%E4%B8%80%E5%8A%A8%E7%82%B9.%E9%97%AE%E2%91%B4%E6%B1%82A%E7%82%B9%E7%9A%84%E5%9D%90%E6%A0%87%EF%BC%9B%E2%91%B5%E4%BB%A5A%2CB%2CO%2CP%E4%B8%BA%E9%A1%B6%E7%82%B9%E7%9A%84%E5%9B%9B%E8%BE%B9%E5%BD%A2%E4%B8%AD%E6%9C%89%E8%8F%B1%E5%BD%A2%2C)
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