抛物线y=x2+bx+c与x轴交于点A(-1,0),点B(3,0)两点 (1)求该抛物线的解析式 (2)设(1)中的抛物线上有一抛物线y=x2+bx+c与x轴交于点A(-1,0),点B(3,0)两点(1)求该抛物线的解析式(2)设(1)中的
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![抛物线y=x2+bx+c与x轴交于点A(-1,0),点B(3,0)两点 (1)求该抛物线的解析式 (2)设(1)中的抛物线上有一抛物线y=x2+bx+c与x轴交于点A(-1,0),点B(3,0)两点(1)求该抛物线的解析式(2)设(1)中的](/uploads/image/z/12645022-22-2.jpg?t=%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dx2%2Bbx%2Bc%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9A%28-1%2C0%29%2C%E7%82%B9B%283%2C0%29%E4%B8%A4%E7%82%B9+%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%A5%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F+%EF%BC%882%EF%BC%89%E8%AE%BE%EF%BC%881%EF%BC%89%E4%B8%AD%E7%9A%84%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8A%E6%9C%89%E4%B8%80%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dx2%2Bbx%2Bc%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8E%E7%82%B9A%28-1%2C0%29%2C%E7%82%B9B%283%2C0%29%E4%B8%A4%E7%82%B9%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%A5%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F%EF%BC%882%EF%BC%89%E8%AE%BE%EF%BC%881%EF%BC%89%E4%B8%AD%E7%9A%84)
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