如图,直线y=-3x-3与x轴交于A,与y轴交于B,过A、B两点的抛物线为y=x的平方+bc+c (急,1.求点A、B的坐标2.求抛物线的解析式3.若点C在x轴上,点D在该抛物线上,如果以A、B、C、D为顶点的四边形是平行四
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![如图,直线y=-3x-3与x轴交于A,与y轴交于B,过A、B两点的抛物线为y=x的平方+bc+c (急,1.求点A、B的坐标2.求抛物线的解析式3.若点C在x轴上,点D在该抛物线上,如果以A、B、C、D为顶点的四边形是平行四](/uploads/image/z/2571143-23-3.jpg?t=%E5%A6%82%E5%9B%BE%2C%E7%9B%B4%E7%BA%BFy%3D-3x-3%E4%B8%8Ex%E8%BD%B4%E4%BA%A4%E4%BA%8EA%2C%E4%B8%8Ey%E8%BD%B4%E4%BA%A4%E4%BA%8EB%2C%E8%BF%87A%E3%80%81B%E4%B8%A4%E7%82%B9%E7%9A%84%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%BAy%3Dx%E7%9A%84%E5%B9%B3%E6%96%B9%2Bbc%2Bc+%EF%BC%88%E6%80%A5%2C1.%E6%B1%82%E7%82%B9A%E3%80%81B%E7%9A%84%E5%9D%90%E6%A0%872.%E6%B1%82%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90%E5%BC%8F3.%E8%8B%A5%E7%82%B9C%E5%9C%A8x%E8%BD%B4%E4%B8%8A%2C%E7%82%B9D%E5%9C%A8%E8%AF%A5%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8A%2C%E5%A6%82%E6%9E%9C%E4%BB%A5A%E3%80%81B%E3%80%81C%E3%80%81D%E4%B8%BA%E9%A1%B6%E7%82%B9%E7%9A%84%E5%9B%9B%E8%BE%B9%E5%BD%A2%E6%98%AF%E5%B9%B3%E8%A1%8C%E5%9B%9B)
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