如图,抛物线y1=-ax²-ax=1经过点P(-1/2,9/8),且与抛物线y2=ax²-ax-1相交于A,B两点.(1)求a的值(2)设y1=-ax²-ax+1与x轴分别交于M,N两点(点M在点N的左边),y2=a²-ax-1与x轴分别交于E,F两点
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![如图,抛物线y1=-ax²-ax=1经过点P(-1/2,9/8),且与抛物线y2=ax²-ax-1相交于A,B两点.(1)求a的值(2)设y1=-ax²-ax+1与x轴分别交于M,N两点(点M在点N的左边),y2=a²-ax-1与x轴分别交于E,F两点](/uploads/image/z/8670105-9-5.jpg?t=%E5%A6%82%E5%9B%BE%2C%E6%8A%9B%E7%89%A9%E7%BA%BFy1%3D-ax%26%23178%3B-ax%3D1%E7%BB%8F%E8%BF%87%E7%82%B9P%EF%BC%88-1%2F2%2C9%2F8%EF%BC%89%2C%E4%B8%94%E4%B8%8E%E6%8A%9B%E7%89%A9%E7%BA%BFy2%3Dax%26%23178%3B-ax-1%E7%9B%B8%E4%BA%A4%E4%BA%8EA%2CB%E4%B8%A4%E7%82%B9.%EF%BC%881%EF%BC%89%E6%B1%82a%E7%9A%84%E5%80%BC%EF%BC%882%EF%BC%89%E8%AE%BEy1%3D-ax%26%23178%3B-ax%2B1%E4%B8%8Ex%E8%BD%B4%E5%88%86%E5%88%AB%E4%BA%A4%E4%BA%8EM%2CN%E4%B8%A4%E7%82%B9%EF%BC%88%E7%82%B9M%E5%9C%A8%E7%82%B9N%E7%9A%84%E5%B7%A6%E8%BE%B9%EF%BC%89%2Cy2%3Da%26%23178%3B-ax-1%E4%B8%8Ex%E8%BD%B4%E5%88%86%E5%88%AB%E4%BA%A4%E4%BA%8EE%2CF%E4%B8%A4%E7%82%B9)
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