1、已知:抛物线y=ax2+6ax+c与x轴的一个交点为A(-2,0)①求抛物线与x轴的另一个交点B的坐标.②点C是抛物线与y轴的交点,D是抛物线上一点,且以AB为一底的梯形ABCD的面积为32,求此抛物线的解析
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![1、已知:抛物线y=ax2+6ax+c与x轴的一个交点为A(-2,0)①求抛物线与x轴的另一个交点B的坐标.②点C是抛物线与y轴的交点,D是抛物线上一点,且以AB为一底的梯形ABCD的面积为32,求此抛物线的解析](/uploads/image/z/5906949-69-9.jpg?t=1%E3%80%81%E5%B7%B2%E7%9F%A5%EF%BC%9A%E6%8A%9B%E7%89%A9%E7%BA%BFy%3Dax2%2B6ax%2Bc%E4%B8%8Ex%E8%BD%B4%E7%9A%84%E4%B8%80%E4%B8%AA%E4%BA%A4%E7%82%B9%E4%B8%BAA%EF%BC%88-2%2C0%EF%BC%89%E2%91%A0%E6%B1%82%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8Ex%E8%BD%B4%E7%9A%84%E5%8F%A6%E4%B8%80%E4%B8%AA%E4%BA%A4%E7%82%B9B%E7%9A%84%E5%9D%90%E6%A0%87.%E2%91%A1%E7%82%B9C%E6%98%AF%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8Ey%E8%BD%B4%E7%9A%84%E4%BA%A4%E7%82%B9%2CD%E6%98%AF%E6%8A%9B%E7%89%A9%E7%BA%BF%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E4%B8%94%E4%BB%A5AB%E4%B8%BA%E4%B8%80%E5%BA%95%E7%9A%84%E6%A2%AF%E5%BD%A2ABCD%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BA32%2C%E6%B1%82%E6%AD%A4%E6%8A%9B%E7%89%A9%E7%BA%BF%E7%9A%84%E8%A7%A3%E6%9E%90)
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